{{Use mdy dates|date=January 2025}} {{Infobox tennis event|2021|Miami Open| |date=March 23 – April 4 |edition=36th |category=[[ATP Tour Masters 1000|Masters 1000]] (ATP)<br />[[WTA 1000 tournaments|WTA 1000]] (WTA) |draw=96S / 48Q / 32D |prize_money=$4,299,205 (ATP)<br />$3,260,190 (WTA) |surface=[[Hardcourt|Hard]] - outdoor |location=[[Miami Gardens, Florida]], United States |venue=[[Hard Rock Stadium]] |champms= {{flagicon|POL}} [[Hubert Hurkacz]] |champws={{flagicon|AUS}} [[Ashleigh Barty]] |champmd={{flagicon|CRO}} [[Nikola Mektić]] / {{flagicon|CRO}} [[Mate Pavić]] |champwd={{flagicon|JPN}} [[Shuko Aoyama]] / {{flagicon|JPN}} [[Ena Shibahara]] |before_year=2019 }}

The '''2021 Miami Open''' was a professional [[hardcourt]] [[tennis]] tournament played from March 23 to April 4, 2021, on the grounds of [[Hard Rock Stadium]] in [[Miami Gardens, Florida]] in the United States. The 36th edition of the [[Miami Open (tennis)|Miami Open]], it was a [[ATP Tour Masters 1000|Masters 1000]] event on the [[2021 ATP Tour]], and a [[WTA 1000 tournaments|WTA 1000]] event on the [[2021 WTA Tour]]. The 2020 edition was postponed due to the onset of the [[COVID-19 pandemic in Florida]].<ref>{{cite web|date=March 12, 2020|title=Miami Open canceled because of coronavirus outbreak|url=https://www.espn.com/tennis/story/_/id/28891183/miami-open-canceled-coronavirus-outbreak|access-date=March 12, 2020|publisher=[[ESPN]]}}</ref>

Due to COVID-19 restrictions, capacity for each session was limited to 800–1,000 spectators, and spectators were only admitted in the three largest courts on the site; Hard Rock Stadium itself was not used.<ref>{{Cite web|last=Kaufman|first=Michelle|date=2021-03-21|title=Everything you need to know as modified Miami Open tennis tournament starts Monday|url=https://www.miamiherald.com/sports/tennis/article250027959.html|url-status=live|access-date=2021-03-22|website=Miami Herald|archive-url=https://web.archive.org/web/20210404091344/https://www.miamiherald.com/sports/tennis/article250027959.html |archive-date=2021-04-04 }}</ref> [[Roger Federer]] and [[Ashleigh Barty]] were the defending champions from 2019 in the men's and women's singles respectively. Barty successfully defended her title, defeating [[Bianca Andreescu]] in the final, 6–3, 4–0, retired. Federer did not attend the tournament.<ref>{{cite web|url=https://www.miamiopen.com/2021-player-announcement/|title=The World's Greatest Players Return to the Miami Open Presented by Itaú|website=Miami Open|date=February 25, 2021|accessdate=March 1, 2021}}</ref>

==Finals==

===Men's singles=== {{Main|2021 Miami Open – Men's singles}} * {{flagicon|POL}} '''[[Hubert Hurkacz]]''' defeated {{flagicon|ITA}} [[Jannik Sinner]] 7–6<sup>(7–4)</sup>, 6–4.

===Women's singles=== {{Main|2021 Miami Open – Women's singles}} * {{flagicon|AUS}} '''[[Ashleigh Barty]]''' defeated {{flagicon|CAN}} [[Bianca Andreescu]] 6–3, 4–0 ret.

===Men's doubles=== {{Main|2021 Miami Open – Men's doubles}} * {{flagicon|CRO}} '''[[Nikola Mektić]]''' / {{flagicon|CRO}} '''[[Mate Pavić]]''' defeated {{flagicon|GBR}} [[Dan Evans (tennis)|Dan Evans]] / {{flagicon|GBR}} [[Neal Skupski]] 6–4, 6–4.

===Women's doubles=== {{Main|2021 Miami Open – Women's doubles}}

* {{flagicon|JPN}} '''[[Shuko Aoyama]]''' / {{flagicon|JPN}} '''[[Ena Shibahara]]''' defeated {{flagicon|USA}} [[Hayley Carter]] / {{flagicon|BRA}} [[Luisa Stefani]], 6–2, 7–5.

==Points and prize money==

===Point distribution=== {|class=wikitable style=font-size:90%;text-align:center |- | style="width:130px; background:#efefef;"|'''Event''' |style="width:80px; background:lime;"|{{Tooltip|'''W'''|Win}} |style="width:85px; background:thistle;"|{{Tooltip| F | Final}} |style="width:85px; background:#ff0;"|{{Tooltip| SF | Semifinal}} |style="width:85px; background:#ffebcd;"|{{Tooltip| QF | Quarterfinal}} |style="width:85px; background:#afeeee;"|Round of 16 |style="width:85px; background:#afeeee;"|Round of 32 |style="width:85px; background:#afeeee;"|Round of 64 |style="width:85px; background:#afeeee;"|Round of 128 |width=85|{{Tooltip| Q | Qualifier}} |width=85|{{Tooltip| Q2 | Qualifying round 2}} |width=85|{{Tooltip| Q1 | Qualifying round 1}} |- ! style="background:#f7f7f7;"| Men's singles |rowspan=4|1000 |rowspan=2|600 |rowspan=2|360 |rowspan=2|180 |rowspan=2|90 |45 |25* |10 |16 |8 |0 |- ! style="background:#f7f7f7;"| Men's doubles | 0 | {{n/a}} | {{n/a}} | {{n/a}} | {{n/a}} | {{n/a}} |- ! style="background:#f7f7f7;"| Women's singles |rowspan=2|650 |rowspan=2|390 |rowspan=2|215 |rowspan=2|120 |65 |35* |10 |30 |20 |2 |- ! style="background:#f7f7f7;"| Women's&nbsp;Doubles | 10 | {{n/a}} | {{n/a}} | {{n/a}} | {{n/a}} | {{n/a}} |}

<nowiki>*</nowiki> Players with byes receive first round points.

===Prize money=== {|class=wikitable style=font-size:90%;text-align:center | style="width:130px; background:#efefef;"|'''Event''' |style="width:80px; background:lime;"|{{Tooltip|'''W'''|Win}} |style="width:85px; background:thistle;"|{{Tooltip| F | Final}} |style="width:85px; background:#ff0;"|{{Tooltip| SF | Semifinal}} |style="width:85px; background:#ffebcd;"|{{Tooltip| QF | Quarterfinal}} |style="width:85px; background:#afeeee;"|Round of 16 |style="width:85px; background:#afeeee;"|Round of 32 |style="width:85px; background:#afeeee;"|Round of 64 |style="width:85px; background:#afeeee;"|Round of 128 |width=85|{{Tooltip| Q2 | Qualifying round 2}} |width=85|{{Tooltip| Q1 | Qualifying round 1}} |- !style=background:#f7f7f7|Men's singles |rowspan=2|$300,110 |rowspan=2|$165,000 |rowspan=2|$93,000 |rowspan=2|$61,000 |rowspan=2|$40,000 |rowspan=2|$26,000 |rowspan=2|$16,000 |rowspan=2|$10,000 |rowspan=2|$5,890 |rowspan=2|$3,100 |- !style=background:#f7f7f7|Women's singles |- !style=background:#f7f7f7|Men's doubles |rowspan=2|$81,000 |rowspan=2|$51,000 |rowspan=2|$38,000 |rowspan=2|$27,000 |rowspan=2|$18,000 |rowspan=2|$12,000 |{{n/a}} |{{n/a}} |{{n/a}} |{{n/a}} |- !style=background:#f7f7f7|Women's doubles |{{n/a}} |{{n/a}} |{{n/a}} |{{n/a}} |}

== ATP singles main-draw entrants ==

The following are the seeded players. Seedings and ranking points based on ATP rankings as of March 22, 2021.

{| class="wikitable sortable" ! style="width:30px;" |Seed ! style="width:30px;" |Rank ! style="width:185px;" |Player ! style="width:75px;" |Points before ! style="width:75px;" |[[2019 Miami Open – Men's singles|Points defending]]{{efn|Tournaments dated March 4 to August 5, 2019 during the [[2019 ATP Tour|2019 season]] are dropped their defending points in each tournament divided by 50 percent.<ref>{{cite web|url=https://www.atptour.com/en/news/atp-announces-player-tournament-covid-19-support-package-march-2021|title=ATP Announces Player & Tournament COVID-19 Support Package|website=Association of Tennis Professionals|date=March 3, 2021|accessdate=March 23, 2021}}</ref>}} ! style="width:75px;" |Points won ! style="width:75px;" |Points after ! style="width:320px;" |Status |- | style="text-align:center;" | 1 | style="text-align:center;" | 2 |{{flagicon|RUS}} [[Daniil Medvedev]] | style="text-align:center;" | 9,940 | style="text-align:center;" | 90 | style="text-align:center;" | 180 | style="text-align:center;" | '''10,030''' | Quarterfinals lost to {{flagicon|ESP}} [[Roberto Bautista Agut]] [7] |- | style="text-align:center;" | 2 | style="text-align:center;" | 5 |{{flagicon|GRE}} [[Stefanos Tsitsipas]] | style="text-align:center;" | 6,950 | style="text-align:center;" | 90 | style="text-align:center;" | 180 | style="text-align:center;" | '''7,040''' | Quarterfinals lost to {{flagicon|POL}} [[Hubert Hurkacz]] [26] |- | style="text-align:center;" | 3 | style="text-align:center;" | 7 |{{flagicon|GER}} [[Alexander Zverev]] | style="text-align:center;" | 6,070 | style="text-align:center;" | 10 | style="text-align:center;" | 10 | style="text-align:center;" |'''6,070''' | Second round lost to {{flagicon|FIN}} [[Emil Ruusuvuori]] |- | style="text-align:center;" | 4 | style="text-align:center;" | 8 |{{flagicon|RUS}} [[Andrey Rublev]] | style="text-align:center;" | 5,101 | style="text-align:center;" | 61 | style="text-align:center;" | 360 | style="text-align:center;" | '''5,400''' | Semifinals lost to {{flagicon|POL}} [[Hubert Hurkacz]] [26] |- | style="text-align:center;" | 5 | style="text-align:center;" | 9 |{{flagicon|ARG}} [[Diego Schwartzman]] | style="text-align:center;" | 3,640 | style="text-align:center;" | 10 | style="text-align:center;" | 90 | style="text-align:center;" |'''3,720''' | Fourth round lost to {{flagicon|USA}} [[Sebastian Korda]] |- | style="text-align:center;" | 6 | style="text-align:center;" | 11 |{{flagicon|CAN}} [[Denis Shapovalov]] | style="text-align:center;" | 3,000 | style="text-align:center;" | 360 | style="text-align:center;" | 45 | style="text-align:center;" |'''2,820''' | Third round lost to {{flagicon|POL}} [[Hubert Hurkacz]] [26] |- | style="text-align:center;" | 7 | style="text-align:center;" | 12 |{{flagicon|ESP}} [[Roberto Bautista Agut]] | style="text-align:center;" | 2,910 | style="text-align:center;" | 180 | style="text-align:center;" | 360 | style="text-align:center;" | '''3,090''' | Semifinals lost to {{flagicon|ITA}} [[Jannik Sinner]] [21] |- | style="text-align:center;" | 8 | style="text-align:center;" | 13 |{{flagicon|BEL}} [[David Goffin]] | style="text-align:center;" | 2,795 | style="text-align:center;" | 90 | style="text-align:center;" | 10 | style="text-align:center;" |'''2,750''' | Second round lost to {{flagicon|AUS}} [[James Duckworth (tennis)|James Duckworth]] |- | style="text-align:center;" | 9 | style="text-align:center;" | 16 |{{flagicon|BUL}} [[Grigor Dimitrov]] | style="text-align:center;" | 2,620 | style="text-align:center;" | 45 | style="text-align:center;" | 10 | style="text-align:center;" |'''2,598''' | Second round lost to {{flagicon|GBR}} [[Cameron Norrie]] |- | style="text-align:center;" | 10 | style="text-align:center;" | 17 |{{flagicon|ITA}} [[Fabio Fognini]] | style="text-align:center;" | 2,570 | style="text-align:center;" | 45 | style="text-align:center;" | 10 | style="text-align:center;" | '''2,548''' | Second round lost to {{flagicon|USA}} [[Sebastian Korda]] |- | style="text-align:center;" | 11 | style="text-align:center;" | 18 |{{flagicon|CAN}} [[Félix Auger-Aliassime]] | style="text-align:center;" | 2,561 | style="text-align:center;" | 376 | style="text-align:center;" | 45 | style="text-align:center;" | '''2,373''' | Third round lost to {{flagicon|USA}} [[John Isner]] [18] |- | style="text-align:center;" | 12 | style="text-align:center;" | 19 |{{flagicon|CAN}} [[Milos Raonic]] | style="text-align:center;" | 2,450 | style="text-align:center;" | 45 | style="text-align:center;" | 90 | style="text-align:center;" | '''2,495''' | Fourth round lost to {{flagicon|POL}} [[Hubert Hurkacz]] [26] |- | style="text-align:center;" | 13 | style="text-align:center;" | 20 |{{flagicon|CHI}} [[Cristian Garín]] | style="text-align:center;" | 2,385 | style="text-align:center;" | 0 | style="text-align:center;" | 10 | style="text-align:center;" |'''2,385''' | Second round lost to {{flagicon|CRO}} [[Marin Čilić]] |- | style="text-align:center;" | 14 | style="text-align:center;" | 22 |{{flagicon|RUS}} [[Karen Khachanov]] | style="text-align:center;" | 2,200 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" |'''2,280''' | Third round lost to {{flagicon|ITA}} [[Jannik Sinner]] [21] |- | style="text-align:center;" | 15 | style="text-align:center;" | 23 |{{flagicon|AUS}} [[Alex de Minaur]] | style="text-align:center;" | 2,190 | style="text-align:center;" | 0 | style="text-align:center;" | 10 | style="text-align:center;" |'''2,200''' | Second round lost to {{flagicon|COL}} [[Daniel Elahi Galán]] |- | style="text-align:center;" | 16 | style="text-align:center;" | 26 |{{flagicon|SRB}} [[Dušan Lajović]] | style="text-align:center;" | 1,895 | style="text-align:center;" | 45 | style="text-align:center;" | 45 | style="text-align:center;" | '''1,895''' | Third round lost to {{flagicon|USA}} [[Frances Tiafoe]] |- | style="text-align:center;" | 17 | style="text-align:center;" | 27 |{{flagicon|RUS}} [[Aslan Karatsev]] | style="text-align:center;" | 1,888 | style="text-align:center;" | (15)<sup>†</sup> | style="text-align:center;" | 45 | style="text-align:center;" | '''1,918''' | Third round lost to {{flagicon|USA}} [[Sebastian Korda]] |- | style="text-align:center;" | 18 | style="text-align:center;" | 28 |{{flagicon|USA}} [[John Isner]] | style="text-align:center;" | 1,850 | style="text-align:center;" | 600 | style="text-align:center;" | 90 | style="text-align:center;" | '''1,340''' | Fourth round lost to {{flagicon|ESP}} [[Roberto Bautista Agut]] [7] |- | style="text-align:center;" | 19 | style="text-align:center;" | 29 |{{flagicon|GBR}} [[Dan Evans (tennis)|Daniel Evans]] | style="text-align:center;" | 1,813 | style="text-align:center;" | 25 | style="text-align:center;" | 10 | style="text-align:center;" |'''1,797''' | Second round lost to {{flagicon|USA}} [[Frances Tiafoe]] |- | style="text-align:center;" | 20 | style="text-align:center;" | 30 |{{flagicon|FRA}} [[Ugo Humbert]] | style="text-align:center;" | 1,790 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" |'''1,825''' | Third round lost to {{flagicon|CAN}} [[Milos Raonic]] [12] |- | style="text-align:center;" | 21 | style="text-align:center;" | 31 |{{flagicon|ITA}} [[Jannik Sinner]] | style="text-align:center;" | 1,789 | style="text-align:center;" | (20)<sup>‡</sup> | style="text-align:center;" | 600 | style="text-align:center;" | '''2,369''' | style="background:#fcc;" | Runner-up, lost to {{flagicon|POL}} [[Hubert Hurkacz]] [26] |- | style="text-align:center;" | 22 | style="text-align:center;" | 32 |{{flagicon|USA}} [[Taylor Fritz]] | style="text-align:center;" | 1,775 | style="text-align:center;" | 10 | style="text-align:center;" | 90 | style="text-align:center;" | '''1,855''' | Fourth round lost to {{flagicon|KAZ}} [[Alexander Bublik]] [32] |- | style="text-align:center;" | 23 | style="text-align:center;" | 33 |{{flagicon|FRA}} [[Benoît Paire]] | style="text-align:center;" | 1,773 | style="text-align:center;" | (48)<sup>н</sup> | style="text-align:center;" | 10 | style="text-align:center;" |'''1,749''' | Second round lost to {{flagicon|ITA}} [[Lorenzo Musetti]] |- | style="text-align:center;" | 24 | style="text-align:center;" | 34 |{{flagicon|ITA}} [[Lorenzo Sonego]] | style="text-align:center;" | 1,668 | style="text-align:center;" | 25 | style="text-align:center;" | 90 | style="text-align:center;" | '''1,733''' | Fourth round lost to. {{flagicon|GRE}} [[Stefanos Tsitsipas]] [2] |- | style="text-align:center;" | 25 | style="text-align:center;" | 36 |{{flagicon|FRA}} [[Adrian Mannarino]] | style="text-align:center;" | 1,661 | style="text-align:center;" | 25 | style="text-align:center;" | 45 | style="text-align:center;" | '''1,681''' | Third round lost to {{flagicon|ARG}} [[Diego Schwartzman]] [5] |- | style="text-align:center;" | 26 | style="text-align:center;" | 37 |{{flagicon|POL}} '''[[Hubert Hurkacz]]''' | style="text-align:center;" | 1,645 | style="text-align:center;" | 45 | style="text-align:center;" | 1,000 | style="text-align:center;" | '''2,600''' | style="background:#cfc;" | '''Champion''', defeated {{flagicon|ITA}} [[Jannik Sinner]] [21] |- | style="text-align:center;" | 27 | style="text-align:center;" | 38 |{{flagicon|GEO}} [[Nikoloz Basilashvili]] | style="text-align:center;" | 1,645 | style="text-align:center;" | 90 | style="text-align:center;" | 10 | style="text-align:center;" |'''1,600''' | Second round lost to {{flagicon|SWE}} [[Mikael Ymer]] |- | style="text-align:center;" | 28 | style="text-align:center;" | 39 |{{flagicon|JPN}} [[Kei Nishikori]] | style="text-align:center;" | 1,513 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" | '''1,548''' | Third round lost to {{flagicon|GRE}} [[Stefanos Tsitsipas]] [2] |- | style="text-align:center;" | 29 | style="text-align:center;" | 40 |{{flagicon|HUN}} [[Márton Fucsovics]] | style="text-align:center;" | 1,462 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" |'''1,497''' | Third round lost to {{flagicon|RUS}} [[Andrey Rublev]] [4] |- | style="text-align:center;" | 30 | style="text-align:center;" | 41 |{{flagicon|USA}} [[Reilly Opelka]] | style="text-align:center;" | 1,457 | style="text-align:center;" | 61 | style="text-align:center;" | 10 | style="text-align:center;" |'''1,427''' | Second round lost to {{flagicon|AUS}} [[Alexei Popyrin]] |- | style="text-align:center;" | 31 | style="text-align:center;" | 42 |{{flagicon|GER}} [[Jan-Lennard Struff]] | style="text-align:center;" | 1,450 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" | '''1,485''' | Third round lost to {{flagicon|ESP}} [[Roberto Bautista Agut]] [7] |- | style="text-align:center;" | 32 | style="text-align:center;" | 44 |{{flagicon|KAZ}} [[Alexander Bublik]] | style="text-align:center;" | 1,385 | style="text-align:center;" | 41 | style="text-align:center;" | 180 | style="text-align:center;" | '''1,462''' | Quarterfinals lost to {{flagicon|ITA}} [[Jannik Sinner]] [21] |} {{notelist}} † The player did not qualify for the tournament in 2019. Accordingly, this was his points from the [[2019 ATP Challenger Tour|ATP Challenger Tour]].<br/> ‡ The player did not qualify for the tournament in 2019. Accordingly, this was his 18th best result deducted instead.<br/> н The player used an exemption after the completion of the tournament in 2019. Accordingly, this was his points from the ATP Challenger Tour.

===Other entrants=== The following players received wildcards into the singles main draw:<ref name=Wildcards>{{cite web |title=Wildcards in the 2021 Miami Open|url=https://www.miamiherald.com/sports/tennis/article249949404.html|website=miamiherald.com }}</ref> * {{flagicon|ESP}} [[Carlos Alcaraz]] * {{flagicon|GBR}} [[Jack Draper (tennis)|Jack Draper]] * {{flagicon|FRA}} [[Hugo Gaston]] * {{flagicon|USA}} [[Michael Mmoh]] * <s>{{flagicon|GBR}} [[Andy Murray]]</s>

The following players received entry using a protected ranking into the singles main draw: * {{flagicon|RSA}} [[Kevin Anderson (tennis)|Kevin Anderson]] * {{flagicon|TPE}} [[Lu Yen-hsun]]

The following players received entry from the qualifying draw: * {{flagicon|GBR}} [[Liam Broady]] * {{flagicon|USA}} [[Ernesto Escobedo]] * {{flagicon|ITA}} [[Thomas Fabbiano]] * {{flagicon|USA}} [[Bjorn Fratangelo]] * {{flagicon|AUS}} [[Thanasi Kokkinakis]] * {{flagicon|ITA}} [[Paolo Lorenzi]] * {{flagicon|USA}} [[Mackenzie McDonald]] * {{flagicon|JPN}} [[Shintaro Mochizuki]] * {{flagicon|USA}} [[Emilio Nava]] * {{flagicon|BRA}} [[Thiago Seyboth Wild]] * {{flagicon|CHI}} [[Alejandro Tabilo]] * {{flagicon|GER}} [[Mischa Zverev]]

The following players received entry as a lucky losers: * {{flagicon|BIH}} [[Damir Džumhur]] * {{flagicon|ITA}} [[Federico Gaio]]

===Withdrawals=== ;Before the tournament * {{flagicon|ESP}} [[Pablo Andújar]] → replaced by {{flagicon|ARG}} [[Federico Coria]] * {{flagicon|ESP}} [[Pablo Carreño Busta]] → replaced by {{flagicon|POR}} [[João Sousa]] * {{flagicon|ITA}} [[Matteo Berrettini]] → replaced by {{flagicon|USA}} [[Denis Kudla]] * {{flagicon|CRO}} [[Borna Ćorić]] → replaced by {{flagicon|GER}} [[Yannick Hanfmann]] * {{flagicon|URU}} [[Pablo Cuevas]] → replaced by {{flagicon|ESP}} [[Pedro Martínez (tennis)|Pedro Martínez]] * {{flagicon|ESP}} [[Alejandro Davidovich Fokina]] → replaced by {{flagicon|SWE}} [[Mikael Ymer]] * {{flagicon|SRB}} [[Novak Djokovic]] → replaced by {{flagicon|AUS}} [[Alexei Popyrin]] * {{flagicon|GBR}} [[Kyle Edmund]] → replaced by {{flagicon|AUS}} [[James Duckworth (tennis)|James Duckworth]] * {{flagicon|SUI}} [[Roger Federer]] → replaced by {{flagicon|USA}} [[Marcos Giron]] * {{flagicon|FRA}} [[Richard Gasquet]] → replaced by {{flagicon|JPN}} [[Yasutaka Uchiyama]] * {{flagicon|SRB}} [[Filip Krajinović]] → replaced by {{flagicon|BLR}} [[Ilya Ivashka]] * {{flagicon|AUS}} [[Nick Kyrgios]] → replaced by {{flagicon|FIN}} [[Emil Ruusuvuori]] * {{flagicon|AUS}} [[John Millman]] → replaced by {{flagicon|ITA}} [[Lorenzo Musetti]] * {{flagicon|FRA}} [[Gaël Monfils]] → replaced by {{flagicon|FRA}} [[Pierre-Hugues Herbert]] * {{flagicon|BRA}} [[Thiago Monteiro (tennis)|Thiago Monteiro]] → replaced by {{flagicon|BIH}} [[Damir Džumhur]] * {{flagicon|FRA}} [[Corentin Moutet]] → replaced by {{flagicon|KAZ}} [[Mikhail Kukushkin]] * {{flagicon|GBR}} [[Andy Murray]] → replaced by {{flagicon|ITA}} [[Federico Gaio]] * {{flagicon|ESP}} [[Rafael Nadal]] → replaced by {{flagicon|POR}} [[Pedro Sousa]] * {{flagicon|ARG}} [[Guido Pella]] → replaced by {{flagicon|RSA}} [[Lloyd Harris (tennis)|Lloyd Harris]] * {{flagicon|ESP}} [[Albert Ramos Viñolas]] → replaced by {{flagicon|COL}} [[Daniel Elahi Galán]] * {{flagicon|NOR}} [[Casper Ruud]] → replaced by {{flagicon|AUS}} [[Christopher O'Connell]] * {{flagicon|FRA}} [[Gilles Simon]] → replaced by {{flagicon|KOR}} [[Kwon Soon-woo]] * {{flagicon|AUT}} [[Dominic Thiem]] → replaced by {{flagicon|ARG}} [[Federico Delbonis]] * {{flagicon|FRA}} [[Jo-Wilfried Tsonga]] → replaced by {{flagicon|USA}} [[Sebastian Korda]] * {{flagicon|SUI}} [[Stan Wawrinka]] → replaced by {{flagicon|USA}} [[Steve Johnson (tennis)|Steve Johnson]] ;During the tournament * {{flagicon|RSA}} [[Lloyd Harris (tennis)|Lloyd Harris]]

===Retirements=== * {{flagicon|GBR}} [[Jack Draper (tennis)|Jack Draper]] * {{flagicon|ESP}} [[Pedro Martínez (tennis)|Pedro Martínez]]

== ATP doubles main-draw entrants ==

===Seeds=== {|class="sortable wikitable" |- ! width="70"| Country ! width="175"| Player ! width="70"| Country ! width="175"| Player ! Rank<sup>1</sup> ! Seed |- |- |{{flag|COL}} |[[Juan Sebastián Cabal]] |{{flag|COL}} |[[Robert Farah (tennis)|Robert Farah]] |3 |1 |-style="background:#cfc;" |{{flag|CRO}} |[[Nikola Mektić]] |{{flag|CRO}} |[[Mate Pavić]] |8 |2 |- |{{flag|CRO}} |[[Ivan Dodig]] |{{flag|SVK}} |[[Filip Polášek]] |19 |3 |- |{{flag|ESP}} |[[Marcel Granollers]] |{{flag|ARG}} |[[Horacio Zeballos]] |21 |4 |- |{{flag|NED}} |[[Wesley Koolhof]] |{{flag|POL}} |[[Łukasz Kubot]] |21 |5 |- |{{flag|GBR}} |[[Jamie Murray]] |{{flag|BRA}} |[[Bruno Soares]] |23 |6 |- |{{flagu|USA}} |[[Rajeev Ram]] |{{flag|GBR}} |[[Joe Salisbury]] |26 |7 |- |{{flag|FRA}} |[[Pierre-Hugues Herbert]] |{{flag|FRA}} |[[Nicolas Mahut]] |29 |8 |} *<sup>1</sup> Rankings as of March 15, 2021.

===Other entrants=== The following pairs received wildcards into the doubles main draw: * {{flagicon|USA}} [[Steve Johnson (tennis)|Steve Johnson]] / {{flagicon|USA}} [[Sam Querrey]] * {{flagicon|USA}} [[Sebastian Korda]] / {{flagicon|USA}} [[Michael Mmoh]] * {{flagicon|USA}} [[Nicholas Monroe]] / {{flagicon|USA}} [[Frances Tiafoe]] The following pair received entry as an alternate: * {{flagicon|BRA}} [[Marcelo Demoliner]] / {{flagicon|MEX}} [[Santiago González (tennis)|Santiago González]]

===Withdrawals=== ;Before the tournament * {{flagicon|AUS}} [[Alex de Minaur]] / {{flagicon|AUS}} [[John Millman]] → replaced by {{flagicon|SRB}} [[Miomir Kecmanović]] / {{flagicon|PAK}} [[Aisam-ul-Haq Qureshi]] * {{flagicon|BUL}} [[Grigor Dimitrov]] / {{flagicon|JPN}} [[Kei Nishikori]] → replaced by {{flagicon|BRA}} [[Marcelo Demoliner]] / {{flagicon|MEX}} [[Santiago González (tennis)|Santiago González]]

;During the tournament * {{flagicon|RUS}} [[Karen Khachanov]] / {{flagicon|RUS}} [[Andrey Rublev]]

== WTA singles main-draw entrants ==

===Seeds=== The following are the seeded players. Seedings are based on WTA rankings as of March 15, 2021. Rankings and points before are as of March 22, 2021.

{|class="wikitable sortable" ! style="width:30px;" |Seed ! style="width:30px;" |Rank ! style="width:185px;" |Player ! style="width:75px;" |Points before ! style="width:75px;" |[[2019 Miami Open – Women's singles|Points defending]]<sup>^</sup> ! style="width:100px;" |Points won<sup>¡</sup> ! style="width:75px;" |Points after ! style="width:320px;" |Status |- | style="text-align:center;" | 1 | style="text-align:center;" | 1 |{{flagicon|AUS}} '''[[Ashleigh Barty]]''' | style="text-align:center;" | 9,186 | style="text-align:center;" | 1,000 | style="text-align:center;" | 1,000 | style="text-align:center;" | '''9,186''' | style="background:#cfc;" |'''Champion''', defeated {{flagicon|CAN}} [[Bianca Andreescu]] [8] |- | style="text-align:center;" | 2 | style="text-align:center;" | 2 |{{flagicon|JPN}} [[Naomi Osaka]] | style="text-align:center;" | 7,835 | style="text-align:center;" | 65 | style="text-align:center;" | 215 | style="text-align:center;" | '''7,985''' | Quarterfinals lost to {{flagicon|GRE}} [[Maria Sakkari]] [23] |- | style="text-align:center;" | 3 | style="text-align:center;" | 3 |{{flagicon|ROU}} [[Simona Halep]] | style="text-align:center;" | 7,255 | style="text-align:center;" | 390 | style="text-align:center;" | (65) 100 | style="text-align:center;" | '''6,965''' | Third round withdrew due to shoulder injury |- | style="text-align:center;" | 4 | style="text-align:center;" | 4 |{{flagicon|USA}} [[Sofia Kenin]] | style="text-align:center;" | 5,760 | style="text-align:center;" | 10 + 35 | style="text-align:center;" | (65) 100 + 100 | style="text-align:center;" | '''5,915''' | Third round lost to {{flagicon|TUN}} [[Ons Jabeur]] [27] |-style= | style="text-align:center;" | 5 | style="text-align:center;" | 5 |{{flagicon|UKR}} [[Elina Svitolina]] | style="text-align:center;" | 5,370 | style="text-align:center;" | 10 | style="text-align:center;" | 390 | style="text-align:center;" | '''5,750''' | Semifinals lost to {{flagicon|AUS}} [[Ashleigh Barty]] [1] |- | style="text-align:center;" | 6 | style="text-align:center;" | 6 |{{flagicon|CZE}} [[Karolína Plíšková]] | style="text-align:center;" | 5,205 | style="text-align:center;" | 650 | style="text-align:center;" | (65) 105 | style="text-align:center;" |'''4,660''' | Third round lost to {{flagicon|USA}} [[Jessica Pegula]] [29] |- | style="text-align:center;" | 7 | style="text-align:center;" | 8 |{{flagicon|BLR}} [[Aryna Sabalenka]] | style="text-align:center;" | 4,815 | style="text-align:center;" | 10 + 120 | style="text-align:center;" | 215 + 185 | style="text-align:center;" |'''5,085''' | Quarterfinals lost to {{flagicon|AUS}} [[Ashleigh Barty]] [1] |- | style="text-align:center;" | 8 | style="text-align:center;" | 9 |{{flagicon|CAN}} [[Bianca Andreescu]] | style="text-align:center;" | 4,735 | style="text-align:center;" | 120 | style="text-align:center;" | 650 | style="text-align:center;" | '''5,265''' | style="background:#fcc;"| Runner-up, lost to {{flagicon|AUS}} [[Ashleigh Barty]] [1] |- | style="text-align:center;" | 9 | style="text-align:center;" | 10 |{{flagicon|CZE}} [[Petra Kvitová]] | style="text-align:center;" | 4,571 | style="text-align:center;" | 215 | style="text-align:center;" | 120 | style="text-align:center;" |'''4,476''' | Fourth round lost to {{flagicon|UKR}} [[Elina Svitolina]] [5] |- | style="text-align:center;" | 10 | style="text-align:center;" | 11 |{{flagicon|NED}} [[Kiki Bertens]] | style="text-align:center;" | 4,505 | style="text-align:center;" | 120 | style="text-align:center;" | (10) 105 | style="text-align:center;" |'''4,490''' | Second round lost to {{flagicon|RUS}} [[Liudmila Samsonova]] [Q] |- | style="text-align:center;" | 11 | style="text-align:center;" | 12 |{{flagicon|SUI}} [[Belinda Bencic]] | style="text-align:center;" | 4,260 | style="text-align:center;" | 10 | style="text-align:center;" | 65 | style="text-align:center;" |'''4,315''' | Third round lost to {{flagicon|CZE}} [[Markéta Vondroušová]] [19] |- | style="text-align:center;" | 12 | style="text-align:center;" | 13 |{{flagicon|ESP}} [[Garbiñe Muguruza]] | style="text-align:center;" | 4,235 | style="text-align:center;" | 10 + 280 | style="text-align:center;" | 120 + 55 | style="text-align:center;" |'''4,120''' | Fourth round lost to {{flagicon|CAN}} [[Bianca Andreescu]] [8] |- | style="text-align:center;" | 13 | style="text-align:center;" | 14 |{{flagicon|USA}} [[Jennifer Brady]] | style="text-align:center;" | 3,765 | style="text-align:center;" | (2) | style="text-align:center;" | (10) | style="text-align:center;" |'''3,765''' | Second round lost to {{flagicon|ESP}} [[Sara Sorribes Tormo]] |- | style="text-align:center;" | 14 | style="text-align:center;" | 15 |{{flagicon|BLR}} [[Victoria Azarenka]] | style="text-align:center;" | 3,665 | style="text-align:center;" | 35 + 180 | style="text-align:center;" | 120 + 55 | style="text-align:center;" |'''3,625''' | Fourth round lost to {{flagicon|AUS}} [[Ashleigh Barty]] [1] |- | style="text-align:center;" | 15 | style="text-align:center;" | 16 |{{flagicon|POL}} [[Iga Świątek]] | style="text-align:center;" | 3,570 | style="text-align:center;" | 20 | style="text-align:center;" | 65 | style="text-align:center;" |'''3,615''' | Third round lost to {{flagicon|CRO}} [[Ana Konjuh]] [WC] |- | style="text-align:center;" | 16 | style="text-align:center;" | 17 |{{flagicon|BEL}} [[Elise Mertens]] | style="text-align:center;" | 3,310 | style="text-align:center;" | 65 + 65 | style="text-align:center;" | 120 + 100 | style="text-align:center;" | '''3,400''' | Fourth round lost to {{flagicon|JPN}} [[Naomi Osaka]] [2] |- | style="text-align:center;" | 17 | style="text-align:center;" | 18 |{{flagicon|GBR}} [[Johanna Konta]] | style="text-align:center;" | 3,206 | style="text-align:center;" | 35 | style="text-align:center;" | 65 | style="text-align:center;" |'''3,236''' | Third round lost to {{flagicon|CZE}} [[Petra Kvitová]] [9] |- | style="text-align:center;" | 18 | style="text-align:center;" | 19 |{{flagicon|USA}} [[Madison Keys]] | style="text-align:center;" | 3,075 | style="text-align:center;" | 10 + 470 | style="text-align:center;" | 10 + 1 | style="text-align:center;" |'''2,606''' | Second round lost to {{flagicon|CRO}} [[Ana Konjuh]] [WC] |- | style="text-align:center;" | 19 | style="text-align:center;" | 20 |{{flagicon|CZE}} [[Markéta Vondroušová]] | style="text-align:center;" | 2,957 | style="text-align:center;" | 215 | style="text-align:center;" | 120 | style="text-align:center;" |'''2,862''' | Fourth round lost to {{flagicon|BLR}} [[Aryna Sabalenka]] [7] |- | style="text-align:center;" | 20 | style="text-align:center;" | 21 |{{flagicon|CRO}} [[Petra Martić]] | style="text-align:center;" | 2,850 | style="text-align:center;" | 35 + 185 + 10 | style="text-align:center;" | (10) 60 + 55 + 55 | style="text-align:center;" |'''2,790''' | Second round lost to {{flagicon|RUS}} [[Anna Kalinskaya]] [WC] |- | style="text-align:center;" | 21 | style="text-align:center;" | 23 |{{flagicon|KAZ}} [[Elena Rybakina]] | style="text-align:center;" | 2,718 | style="text-align:center;" | (100)<sup>†</sup> | style="text-align:center;" | (65) 100 | style="text-align:center;" | '''2,718''' | Third round lost to {{flagicon|ESP}} [[Sara Sorribes Tormo]] |- | style="text-align:center;" | 22 | style="text-align:center;" | 24 |{{flagicon|EST}} [[Anett Kontaveit]] | style="text-align:center;" | 2,620 | style="text-align:center;" | 390 | style="text-align:center;" | 65 | style="text-align:center;" | '''2,295''' | Third round lost to {{flagicon|BEL}} [[Elise Mertens]] [16] |-style= | style="text-align:center;" | 23 | style="text-align:center;" | 25 |{{flagicon|GRE}} [[Maria Sakkari]] | style="text-align:center;" | 2,570 | style="text-align:center;" | 35 + 10 | style="text-align:center;" | 390 + 105 | style="text-align:center;" | '''3,020''' | Semifinals lost to {{flagicon|CAN}} [[Bianca Andreescu]] [8] |- | style="text-align:center;" | 24 | style="text-align:center;" | 26 |{{flagicon|GER}} [[Angelique Kerber]] | style="text-align:center;" | 2,370 | style="text-align:center;" | 65 + 110 | style="text-align:center;" | 65 + 55 | style="text-align:center;" | '''2,315''' | Third round lost to {{flagicon|BLR}} [[Victoria Azarenka]] [14] |- | style="text-align:center;" | 25 | style="text-align:center;" | 27 |{{flagicon|USA}} [[Alison Riske]] | style="text-align:center;" | 2,256 | style="text-align:center;" | 35 | style="text-align:center;" | (0) 1 | style="text-align:center;" |'''2,222''' | Withdrew due to left foot injury |- | style="text-align:center;" | 26 | style="text-align:center;" | 28 |{{flagicon|KAZ}} [[Yulia Putintseva]] | style="text-align:center;" | 2,015 | style="text-align:center;" | 120 + 35 | style="text-align:center;" | (10) 55 + 55 | style="text-align:center;" |'''1,970''' | Second round lost to {{flagicon|SRB}} [[Nina Stojanović]] [Q] |- | style="text-align:center;" | 27 | style="text-align:center;" | 30 |{{flagicon|TUN}} [[Ons Jabeur]] | style="text-align:center;" | 1,965 | style="text-align:center;" | 35 + 10 | style="text-align:center;" | 120 + 48 | style="text-align:center;" | '''2,088''' | Fourth round lost to {{flagicon|ESP}} [[Sara Sorribes Tormo]] |- | style="text-align:center;" | 28 | style="text-align:center;" | 32 |{{flagicon|USA}} [[Amanda Anisimova]] | style="text-align:center;" | 1,905 | style="text-align:center;" | 35 + 35 | style="text-align:center;" | 65 + 60 | style="text-align:center;" | '''1,960''' | Third round lost to {{flagicon|CAN}} [[Bianca Andreescu]] [8] |- | style="text-align:center;" | 29 | style="text-align:center;" | 33 |{{flagicon|USA}} [[Jessica Pegula]] | style="text-align:center;" | 1,904 | style="text-align:center;" | 30 + 55 | style="text-align:center;" | 120 + 29 | style="text-align:center;" | '''1,968''' | Fourth round lost to {{flagicon|GRE}} [[Maria Sakkari]] [23] |- | style="text-align:center;" | 30 | style="text-align:center;" | 34 |{{flagicon|RUS}} [[Ekaterina Alexandrova]] | style="text-align:center;" | 1,900 | style="text-align:center;" | 10 | style="text-align:center;" | 65 | style="text-align:center;" |'''1,955''' | Third round lost to {{flagicon|UKR}} [[Elina Svitolina]] [5] |- | style="text-align:center;" | 31 | style="text-align:center;" | 36 |{{flagicon|USA}} [[Coco Gauff]] | style="text-align:center;" | 1,821 | style="text-align:center;" | 35 | style="text-align:center;" | 10 | style="text-align:center;" |'''1,796''' | Second round lost to {{flagicon|LAT}} [[Anastasija Sevastova]] |- | style="text-align:center;" | 32 | style="text-align:center;" | 37 |{{flagicon|RUS}} [[Veronika Kudermetova]] | style="text-align:center;" | 1,820 | style="text-align:center;" | (2) 160 | style="text-align:center;" | (65) 80 | style="text-align:center;" | '''1,740''' | Third round lost to {{flagicon|BLR}} [[Aryna Sabalenka]] [7] |} ^ Points form 2019 Miami, 2019 Guadalajara, 2019 Charleston and 2019 Monterrey will be dropped on Monday, April 5; 2019 Indian Wells will not be mandatory anymore

¡ Miami will not be considered a mandatory result that must be counted as part of a player's best 16 results<ref>{{Cite web|url=https://www.wtatennis.com/news/2078288/how-osaka-can-retake-the-no-1-spot-from-barty|title=How Osaka can retake the No.1 spot from Barty}}</ref>

† The player did not qualify for the tournament in 2019. Accordingly, this was her 16th best result deducted instead.

===Other entrants=== {{unreferenced section|date=March 2021}} The following players received wildcards into the singles main draw: * {{flagicon|RUS}} [[Anna Kalinskaya]] * {{flagicon|CRO}} [[Ana Konjuh]] * {{flagicon|USA}} [[Robin Montgomery]] * {{flagicon|AUS}} [[Storm Sanders]] * {{flagicon|USA}} [[Katrina Scott]] * {{flagicon|EGY}} [[Mayar Sherif]] * {{flagicon|CHN}} [[Wang Xinyu]] * {{flagicon|CHN}} [[Wang Xiyu]]

The following player received entry using a protected ranking into the singles main draw: * {{flagicon|GBR}} [[Katie Boulter]] * {{flagicon|GER}} [[Andrea Petkovic]] * {{flagicon|RUS}} [[Anastasia Potapova]] * {{flagicon|KAZ}} [[Yaroslava Shvedova]]

The following players received entry from the qualifying draw: * {{flagicon|USA}} [[Hailey Baptiste]] * {{flagicon|ESP}} [[Aliona Bolsova]] * {{flagicon|ROU}} [[Mihaela Buzărnescu]] * {{flagicon|ITA}} [[Elisabetta Cocciaretto]] * {{flagicon|SRB}} [[Olga Danilović]] * {{flagicon|FRA}} [[Océane Dodin]] * {{flagicon|SVK}} [[Kristína Kučová]] * {{flagicon|CZE}} [[Tereza Martincová]] * {{flagicon|BUL}} [[Tsvetana Pironkova]] * {{flagicon|RUS}} [[Liudmila Samsonova]] * {{flagicon|SRB}} [[Nina Stojanović]] * {{flagicon|MEX}} [[Renata Zarazúa]]

The following player received entry as a lucky loser: * {{flagicon|BEL}} [[Kirsten Flipkens]]

===Withdrawals=== ;Before the tournament * {{flagicon|SLO}} [[Polona Hercog]] → replaced by {{flagicon|GER}} [[Andrea Petkovic]] * {{flagicon|TPE}} [[Hsieh Su-wei]] → replaced by {{flagicon|RUS}} [[Anastasia Potapova]] * {{flagicon|RUS}} [[Daria Kasatkina]] → replaced by {{flagicon|KAZ}} [[Zarina Diyas]] * {{flagicon|USA}} [[Ann Li (tennis)|Ann Li]] → replaced by {{flagicon|GBR}} [[Katie Boulter]] * {{flagicon|CZE}} [[Karolína Muchová]] → replaced by {{flagicon|ITA}} [[Camila Giorgi]] * {{flagicon|RUS}} [[Anastasia Pavlyuchenkova]] → replaced by {{flagicon|USA}} [[Lauren Davis]] * {{flagicon|USA}} [[Alison Riske]] → replaced by {{flagicon|BEL}} [[Kirsten Flipkens]] * {{flagicon|CZE}} [[Barbora Strýcová]] → replaced by {{flagicon|UKR}} [[Marta Kostyuk]] * {{flagicon|ROU}} [[Patricia Maria Țig]] → replaced by {{flagicon|USA}} [[Madison Brengle]] * {{flagicon|BEL}} [[Alison Van Uytvanck]] → replaced by {{flagicon|JPN}} [[Nao Hibino]] * {{flagicon|CRO}} [[Donna Vekić]] → replaced by {{flagicon|NED}} [[Arantxa Rus]] * {{flagicon|USA}} [[Serena Williams]] → replaced by {{flagicon|USA}} [[Christina McHale]] * {{flagicon|UKR}} [[Dayana Yastremska]] (provisional suspension) → replaced by {{flagicon|USA}} [[Venus Williams]]

;During the tournament * {{flagicon|ROU}} [[Simona Halep]] * {{flagicon|GER}} [[Laura Siegemund]] * {{flagicon|SRB}} [[Nina Stojanović]]

===Retirements=== * {{flagicon|CAN}} [[Bianca Andreescu]] * {{flagicon|SUI}} [[Jil Teichmann]]

== WTA doubles main-draw entrants ==

=== Seeds === {|class="sortable wikitable" |- ! width="70"| Country ! width="175"| Player ! width="70"| Country ! width="175"| Player ! Rank<sup>1</sup> ! Seed |- |{{flag|BEL}} |[[Elise Mertens]] |{{flag|BLR}} |[[Aryna Sabalenka]] |3 |1 |- |{{flag|CZE}} |[[Barbora Krejčíková]] |{{flag|CZE}} |[[Kateřina Siniaková]] |15 |2 |- |{{flagu|USA}} |[[Nicole Melichar]] |{{flag|NED}} |[[Demi Schuurs]] |23 |3 |- |{{flag|HUN}} |[[Tímea Babos]] |{{flag|RUS}} |[[Veronika Kudermetova]] |30 |4 |-style="background:#cfc;" |{{flag|JPN}} |[[Shuko Aoyama]] |{{flag|JPN}} |[[Ena Shibahara]] |30 |5 |- |{{flag|CHN}} |[[Xu Yifan]] |{{flag|CHN}} |[[Zhang Shuai]] |39 |6 |- |{{flag|CHI}} |[[Alexa Guarachi]] |{{flagu|USA}} |[[Desirae Krawczyk]] |39 |7 |-style="background:#fcc;" |{{flagu|USA}} |[[Hayley Carter]] |{{flag|BRA}} |[[Luisa Stefani]] |63 |8 |} *<sup>1</sup> Rankings as of March 15, 2021.

===Other entrants=== The following pairs received wildcards into the doubles main draw: * {{flagicon|USA}} [[Hailey Baptiste]] / {{flagicon|USA}} [[Robin Montgomery]] * {{flagicon|NED}} [[Kiki Bertens]] / {{flagicon|NED}} [[Arantxa Rus]] * {{flagicon|AUS}} [[Ajla Tomljanović]] / {{flagicon|GBR}} [[Heather Watson]]

The following pairs received entry using a protected ranking into the doubles main draw: * {{flagicon|USA}} [[Kaitlyn Christian]] / {{flagicon|RUS}} [[Alla Kudryavtseva]] * {{flagicon|BEL}} [[Kirsten Flipkens]] / {{flagicon|USA}} [[CoCo Vandeweghe]] * {{flagicon|USA}} [[Vania King]] / {{flagicon|KAZ}} [[Yaroslava Shvedova]]

The following pairs received entry as an alternate: * {{flagicon|RUS}} [[Ekaterina Alexandrova]] / {{flagicon|CHN}} [[Zhaoxuan Yang]] * {{flagicon|FRA}} [[Caroline Garcia]] / {{flagicon|ARG}} [[Nadia Podoroska]] * {{flagicon|CRO}} [[Petra Martić]] / {{flagicon|USA}} [[Shelby Rogers]] * {{flagicon|USA}} [[Asia Muhammad]] / {{flagicon|USA}} [[Jessica Pegula]]

===Withdrawals=== ;Before the tournament * {{flagicon|AUS}} [[Ashleigh Barty]] / {{flagicon|USA}} [[Jennifer Brady]] → replaced by {{flagicon|FRA}} [[Caroline Garcia]] / {{flagicon|ARG}} [[Nadia Podoroska]] * {{flagicon|SUI}} [[Belinda Bencic]] / {{flagicon|SUI}} [[Jil Teichmann]] → replaced by {{flagicon|CRO}} [[Petra Martić]] / {{flagicon|USA}} [[Shelby Rogers]] * {{flagicon|RUS}} [[Anna Kalinskaya]] / {{flagicon|SVK}} [[Viktória Kužmová]] → replaced by {{flagicon|RUS}} [[Ekaterina Alexandrova]] / {{flagicon|CHN}} [[Zhaoxuan Yang]] * {{flagicon|GER}} [[Laura Siegemund]] / {{flagicon|RUS}} [[Vera Zvonareva]] → replaced by {{flagicon|USA}} [[Asia Muhammad]] / {{flagicon|USA}} [[Jessica Pegula]] ;During the tournament * {{flagicon|ROU}} [[Simona Halep]] / {{flagicon|GER}} [[Angelique Kerber]] * {{flagicon|CRO}} [[Darija Jurak]] / {{flagicon|SRB}} [[Nina Stojanović]]

==References== {{Reflist}}

==External links== * {{Official website|http://www.miamiopen.com}}

{{Miami Masters tournaments}} {{2021 ATP Tour}} {{2021 WTA Tour}}

{{DEFAULTSORT:Miami Open}} [[Category:2021 Miami Open| ]] [[Category:Miami Open (tennis)|2021]] [[Category:2021 ATP Tour]] [[Category:2021 WTA Tour]] [[Category:2021 in American tennis]] [[Category:2021 in sports in Florida]] [[Category:March 2021 sports events in the United States]] [[Category:2021 in Miami]]