{{TennisEventInfo|2018|Mutua Madrid Open| | date= 5–13 May | edition=17th | draw=56S / 24D (men)<br>64S / 28D (women) | surface=[[Clay court|Clay]] | prize_money= €6,200,860 (men)<br>€6,045,855 (women) | location=[[Madrid]], Spain | venue=[[Caja Mágica|Park Manzanares]] | champms={{flagicon|GER}} [[Alexander Zverev]] | champws={{flagicon|CZE}} [[Petra Kvitová]] | champmd={{flagicon|CRO}} [[Nikola Mektić]] / {{flagicon|AUT}} [[Alexander Peya]] | champwd={{flagicon|RUS}} [[Ekaterina Makarova]] / {{flagicon|RUS}} [[Elena Vesnina]] | main_name=Madrid Open (tennis){{!}}Madrid Open }}
The '''2018 Mutua Madrid Open''' was a professional [[tennis]] tournament played on outdoor [[clay court]]s at the Park Manzanares in [[Madrid]], Spain from 5–13 May 2018. It was the 17th edition of the event on the [[ATP World Tour]] and 10th on the [[WTA Tour]]. It was classified as an [[ATP World Tour Masters 1000]] event on the [[2018 ATP World Tour]] and a [[WTA Premier tournaments|Premier Mandatory]] event on the [[2018 WTA Tour]].<ref>{{cite web|url=http://www.madrid-open.com/en/ |title=Mutua Madrid Open | May 5th - 14th 2017 |publisher=Madrid-open.com |date=2017-03-27 |access-date=2017-04-21}}</ref><ref>{{cite web|url=https://www.esmadrid.com/en/whats-on/mutua-madrid-open-madrid-caja-magica |title=Mutua Madrid Open Madrid Caja Mágica |publisher=Esmadrid.com |access-date=2017-04-21}}</ref>
==Points and prize money==
===Point distribution=== {|class=wikitable style=font-size:90%;text-align:center |- |style="width:130px; background:#dfe2e9;"|'''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 |width=85|{{Tooltip| Q | Qualifier}} |width=85|{{Tooltip| Q2 | Qualifying round 2}} |width=85|{{Tooltip| Q1 | Qualifying round 1}} |- !style="background:#ededed;"|Men's singles |rowspan=4|1000 |rowspan=2|600 |rowspan=2|360 |rowspan=2|180 |rowspan=2|90 |45 |10 |25 |16 |0 |- !style="background:#ededed;"|Men's doubles |10 |{{n/a}} |{{n/a}} |{{n/a}} |{{n/a}} |- !style="background:#ededed;"|Women's singles |rowspan=2|650 |rowspan=2|390 |rowspan=2|215 |rowspan=2|120 |65 |10 |30 |20 |2 |- !style="background:#ededed;"|Women's doubles |10 |{{n/a}} |{{n/a}} |{{n/a}} |{{n/a}} |}
===Prize money=== {|class=wikitable style=font-size:90%;text-align:center |width=130 bgcolor=dfe2e9|'''Event''' |width=80 bgcolor=lime|'''W''' |width=85 bgcolor=thistle|F |width=85 bgcolor=ffff00|SF |width=85 bgcolor=ffebcd|QF |width=85 bgcolor=afeeee|Round of 16 |width=85 bgcolor=afeeee|Round of 32 |width=85 bgcolor=afeeee|Round of 64 |width=85|Q2 |width=85|Q1 |- !style=background:#ededed|Men's singles |€1,190,490 |€583,725 |€293,780 |€149,390 |€77,575 |€40,900 |€22,080 |€5,090 |€2,595 |- !style=background:#ededed|Women's singles |€1,190,490 |€583,725 |€293,780 |€149,390 |€77,575 |€36,775 |€17,275 |€4,775 |€2,325 |- !style=background:#ededed|Men's doubles |€368,670 |€180,490 |€90,540 |€46,470 |€24,020 |€12,670 |{{n/a}} |{{n/a}} |{{n/a}} |- !style=background:#ededed|Women's doubles |€368,670 |€180,490 |€90,540 |€46,470 |€23,500 |€12,100 |{{n/a}} |{{n/a}} |{{n/a}} |}
==ATP singles main-draw entrants==
===Seeds=== The following are the seeded players. Seedings are based on ATP rankings as of 30 April 2018. Rankings and points before are as of 7 May 2018. {| class="wikitable sortable" ! style="width:30px;" |Seed ! style="width:30px;" |Rank ! style="width:185px;" |Player ! style="width:75px;" |Points before ! style="width:75px;" |[[2017 Mutua Madrid Open – Men's singles|Points defending]] ! style="width:75px;" |[[2018 Mutua Madrid Open – Men's singles|Points won]] ! style="width:75px;" |Points after ! style="width:320px;" |Status |- | style="text-align:center;" | 1 | style="text-align:center;" | 1 | {{flagicon|ESP}} [[Rafael Nadal]] | style="text-align:center;" | 8,770 | style="text-align:center;" | 1,000 | style="text-align:center;" | 180 | style="text-align:center;" | '''7,950''' | Quarterfinals lost to {{flagicon|AUT}} [[Dominic Thiem]] [5] |-style="background:#cfc;" | style="text-align:center;" | 2 | style="text-align:center;" | 3 | {{flagicon|GER}} '''[[Alexander Zverev]]''' | style="text-align:center;" | 5,195 | style="text-align:center;" | 180 | style="text-align:center;" | 1000 | style="text-align:center;" | '''6,015''' | '''Champion''', defeated {{flagicon|AUT}} [[Dominic Thiem]] [5] |- | style="text-align:center;" | 3 | style="text-align:center;" | 4 | {{flagicon|BUL}} [[Grigor Dimitrov]] | style="text-align:center;" | 4,950 | style="text-align:center;" | 90 | style="text-align:center;" | 10 | style="text-align:center;" | '''4,870''' | Second round lost to {{flagicon|CAN}} [[Milos Raonic]] |- | style="text-align:center;" | 4 | style="text-align:center;" | 6 | {{flagicon|ARG}} [[Juan Martín del Potro]] | style="text-align:center;" | 4,470 | style="text-align:center;" | (20)<sup>‡</sup> | style="text-align:center;" | 90 | style="text-align:center;" | '''4,540''' | Third round lost to {{flagicon|SRB}} [[Dušan Lajović]] [Q] |-style="background:#fcc;" | style="text-align:center;" | 5 | style="text-align:center;" | 7 | {{flagicon|AUT}} [[Dominic Thiem]] | style="text-align:center;" | 3,545 | style="text-align:center;" | 600 | style="text-align:center;" | 600 | style="text-align:center;" | '''3,545''' | Runner-up, lost to {{flagicon|GER}} [[Alexander Zverev]] [2] |- | style="text-align:center;" | 6 | style="text-align:center;" | 8 | {{flagicon|RSA}} [[Kevin Anderson (tennis)|Kevin Anderson]] | style="text-align:center;" | 3,345 | style="text-align:center;" | (45)<sup>†</sup> | style="text-align:center;" | 360 | style="text-align:center;" | '''3,660''' | Semifinals lost to {{flagicon|AUT}} [[Dominic Thiem]] [5] |- | style="text-align:center;" | 7 | style="text-align:center;" | 9 | {{flagicon|USA}} [[John Isner]] | style="text-align:center;" | 3,125 | style="text-align:center;" | 0 | style="text-align:center;" | 180 | style="text-align:center;" | '''3,305''' | Quarterfinals lost to {{flagicon|GER}} [[Alexander Zverev]] [2] |- | style="text-align:center;" | 8 | style="text-align:center;" | 10 | {{flagicon|BEL}} [[David Goffin]] | style="text-align:center;" | 3,020 | style="text-align:center;" | 180 | style="text-align:center;" | 90 | style="text-align:center;" | '''2,930''' | Third round lost to {{flagicon|GBR}} [[Kyle Edmund]] |- | style="text-align:center;" | 9 | style="text-align:center;" | 11 | {{flagicon|ESP}} [[Pablo Carreño Busta]] | style="text-align:center;" | 2,280 | style="text-align:center;" | 10 | style="text-align:center;" | 10 | style="text-align:center;" | '''2,280''' | First round lost to {{flagicon|CRO}} [[Borna Ćorić]] |- | style="text-align:center;" | 10 | style="text-align:center;" | 12 | {{flagicon|SRB}} [[Novak Djokovic]] | style="text-align:center;" | 2,220 | style="text-align:center;" | 360 | style="text-align:center;" | 45 | style="text-align:center;" | '''1,905''' | Second round lost to {{flagicon|GBR}} [[Kyle Edmund]] |- | style="text-align:center;" | 11 | style="text-align:center;" | 14 | {{flagicon|ESP}} [[Roberto Bautista Agut]] | style="text-align:center;" | 2,175 | style="text-align:center;" | 10 | style="text-align:center;" | 45 | style="text-align:center;" | '''2,210''' | Second round lost to {{flagicon|GER}} [[Philipp Kohlschreiber]] |- | style="text-align:center;" | 12 | style="text-align:center;" | 15 | {{flagicon|USA}} [[Jack Sock]] | style="text-align:center;" | 2,155 | style="text-align:center;" | 10 | style="text-align:center;" | 10 | style="text-align:center;" | '''2,155''' | First round lost to {{flagicon|URU}} [[Pablo Cuevas]] |- | style="text-align:center;" | 13 | style="text-align:center;" | 16 | {{flagicon|ARG}} [[Diego Schwartzman]] | style="text-align:center;" | 2,085 | style="text-align:center;" | 45 | style="text-align:center;" | 90 | style="text-align:center;" | '''2,130''' | Third round lost to {{flagicon|ESP}} [[Rafael Nadal]] [1] |- | style="text-align:center;" | 14 | style="text-align:center;" | 17 | {{flagicon|CZE}} [[Tomáš Berdych]] | style="text-align:center;" | 2,060 | style="text-align:center;" | 90 | style="text-align:center;" | 10 | style="text-align:center;" | '''1,980''' | First round lost to {{flagicon|FRA}} [[Richard Gasquet]] |- | style="text-align:center;" | 15 | style="text-align:center;" | 18 | {{flagicon|FRA}} [[Lucas Pouille]] | style="text-align:center;" | 1,995 | style="text-align:center;" | 10 | style="text-align:center;" | 10 | style="text-align:center;" | '''1,995''' | First round lost to {{flagicon|FRA}} [[Benoît Paire]] |- | style="text-align:center;" | 16 | style="text-align:center;" | 19 | {{flagicon|ITA}} [[Fabio Fognini]] | style="text-align:center;" | 1,840 | style="text-align:center;" | 45 | style="text-align:center;" | 10 | style="text-align:center;" | '''1,805''' | First round lost to {{flagicon|ARG}} [[Leonardo Mayer]] |} † The player did not qualify for the tournament in 2017. Accordingly, points for his 18th best result are deducted instead.<br> ‡ The player used an exemption to skip the tournament in 2017. Accordingly, points for his 18th best result are deducted instead.
===Withdrawals=== The following players would have been seeded, but they withdrew from the event.
{|class="wikitable sortable" ! style="width:30px;" |Rank ! style="width:185px;" |Player ! style="width:75px;" |Points before ! style="width:75px;" |[[2017 Mutua Madrid Open – Men's singles|Points defending]] ! style="width:75px;" |Points after ! style="width:200px;" |Reason |- | style="text-align:center;" | 2 | {{flagicon|SUI}} [[Roger Federer]] | style="text-align:center;" | 9,670 | style="text-align:center;" | 0 | style="text-align:center;" | 8,670 | align="left"|Scheduling |- | style="text-align:center;" | 5 | {{flagicon|CRO}} [[Marin Čilić]] | style="text-align:center;" | 4,780 | style="text-align:center;" | 10 | style="text-align:center;" | 4,770 | align="left"|Knee injury |- | style="text-align:center;" | 13 | {{flagicon|USA}} [[Sam Querrey]] | style="text-align:center;" | 2,220 | style="text-align:center;" | 0 | style="text-align:center;" | 2,220 | align="left"|Scheduling |}
===Other entrants=== The following players received [[Wild card (sports)|wildcard]]<nowiki>s</nowiki> into the main draw: * {{flagicon|ESP}} [[Pablo Andújar]] * {{flagicon|ESP}} [[Roberto Carballés Baena]] * {{flagicon|ESP}} [[Guillermo García López]] * {{flagicon|GRE}} [[Stefanos Tsitsipas]]
The following players received entry from the qualifying draw: * {{flagicon|GEO}} [[Nikoloz Basilashvili]] * {{flagicon|ROU}} [[Marius Copil]] * {{flagicon|ARG}} [[Federico Delbonis]] * {{flagicon|RUS}} [[Evgeny Donskoy]] * {{flagicon|ARG}} [[Nicolás Kicker]] * {{flagicon|KAZ}} [[Mikhail Kukushkin]] * {{flagicon|SRB}} [[Dušan Lajović]]
===Withdrawals=== ;Before the tournament * {{flagicon|CRO}} [[Marin Čilić]] → replaced by {{flagicon|FRA}} [[Julien Benneteau]] * {{flagicon|SUI}} [[Roger Federer]] → replaced by {{flagicon|CAN}} [[Denis Shapovalov]] * {{flagicon|ESP}} [[David Ferrer]] → replaced by {{flagicon|GER}} [[Jan-Lennard Struff]] * {{flagicon|SRB}} [[Filip Krajinović]] → replaced by {{flagicon|RUS}} [[Daniil Medvedev]] * {{flagicon|AUS}} [[Nick Kyrgios]] → replaced by {{flagicon|GER}} [[Mischa Zverev]] * {{flagicon|LUX}} [[Gilles Müller]] → replaced by {{flagicon|ITA}} [[Paolo Lorenzi]] * {{flagicon|GBR}} [[Andy Murray]] → replaced by {{flagicon|FRA}} [[Benoît Paire]] * {{flagicon|USA}} [[Sam Querrey]] → replaced by {{flagicon|USA}} [[Jared Donaldson]] * {{flagicon|RUS}} [[Andrey Rublev]] → replaced by {{flagicon|USA}} [[Tennys Sandgren]] * {{flagicon|FRA}} [[Jo-Wilfried Tsonga]] → replaced by {{flagicon|USA}} [[Ryan Harrison]] * {{flagicon|SUI}} [[Stan Wawrinka]] → replaced by {{flagicon|GER}} [[Peter Gojowczyk]]
==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|POL}} |[[Łukasz Kubot]] |{{flag|BRA}} |[[Marcelo Melo]] |3 |1 |-style="background:#fcc;" |{{flagu|USA}} |[[Bob Bryan]] |{{flagu|USA}} |[[Mike Bryan]] |10 |2 |- |{{flag|FIN}} |[[Henri Kontinen]] |{{flag|AUS}} |[[John Peers]] |15 |3 |- |{{flag|FRA}} |[[Pierre-Hugues Herbert]] |{{flag|FRA}} |[[Nicolas Mahut]] |26 |4 |- |{{flag|GBR}} |[[Jamie Murray]] |{{flag|BRA}} |[[Bruno Soares]] |27 |5 |- |{{flag|COL}} |[[Juan Sebastián Cabal]] |{{flag|COL}} |[[Robert Farah (tennis)|Robert Farah]] |36 |6 |- |{{flag|CRO}} |[[Ivan Dodig]] |{{flagu|USA}} |[[Rajeev Ram]] |37 |7 |- |{{flag|IND}} |[[Rohan Bopanna]] |{{flag|FRA}} |[[Édouard Roger-Vasselin]] |44 |8 |} *Rankings are as of April 30, 2018.
===Other entrants=== The following pairs received wildcards into the doubles main draw: * {{flagicon|ESP}} [[David Marrero]] / {{flagicon|ESP}} [[Fernando Verdasco]] * {{flagicon|ROU}} [[Florin Mergea]] / {{flagicon|CAN}} [[Daniel Nestor]]
===Retirements=== * {{flagicon|USA}} [[Bob Bryan]] (hip injury)
==WTA singles main-draw entrants==
===Seeds=== The following are the seeded players. Seedings are based on WTA rankings as of 30 April 2018. Rankings and points before are as of 7 May 2018. {| class="wikitable sortable" ! style="width:30px;" |Seed ! style="width:30px;" |Rank ! style="width:185px;" |Player ! style="width:75px;" |Points before ! style="width:75px;" |[[2017 Mutua Madrid Open – Women's singles|Points defending]] ! style="width:75px;" |[[2018 Mutua Madrid Open – Women's singles|Points won]] ! style="width:75px;" |Points after ! style="width:320px;" |Status |- | style="text-align:center;" | 1 | style="text-align:center;" | 1 | {{flagicon|ROU}} [[Simona Halep]] | style="text-align:center;" | 8,055 | style="text-align:center;" | 1,000 | style="text-align:center;" | 215 | style="text-align:center;" | '''7,270''' | Quarterfinals lost to {{flagicon|CZE}} [[Karolína Plíšková]] [6] |- | style="text-align:center;" | 2 | style="text-align:center;" | 2 | {{flagicon|DEN}} [[Caroline Wozniacki]] | style="text-align:center;" | 6,790 | style="text-align:center;" | 65 | style="text-align:center;" | 120 | style="text-align:center;" | '''6,845''' | Third round lost to {{flagicon|NED}} [[Kiki Bertens]] |- | style="text-align:center;" | 3 | style="text-align:center;" | 3 | {{flagicon|ESP}} [[Garbiñe Muguruza]] | style="text-align:center;" | 6,065 | style="text-align:center;" | 10 | style="text-align:center;" | 120 | style="text-align:center;" | '''6,175''' | Third round lost to {{flagicon|RUS}} [[Daria Kasatkina]] [14] |- | style="text-align:center;" | 4 | style="text-align:center;" | 4 | {{flagicon|UKR}} [[Elina Svitolina]] | style="text-align:center;" | 5,450 | style="text-align:center;" | 10 | style="text-align:center;" | 65 | style="text-align:center;" | '''5,505''' | Second round lost to {{flagicon|ESP}} [[Carla Suárez Navarro]] |- | style="text-align:center;" | 5 | style="text-align:center;" | 5 | {{flagicon|LAT}} [[Jeļena Ostapenko]] | style="text-align:center;" | 5,273 | style="text-align:center;" | (1)<sup>†</sup> | style="text-align:center;" | 10 | style="text-align:center;" | '''5,282''' | First round lost to {{flagicon|ROU}} [[Irina-Camelia Begu]] |- | style="text-align:center;" | 6 | style="text-align:center;" | 6 | {{flagicon|CZE}} [[Karolína Plíšková]] | style="text-align:center;" | 5,100 | style="text-align:center;" | 65 | style="text-align:center;" | 390 | style="text-align:center;" | '''5,425''' | Semifinals lost to {{flagicon|CZE}} [[Petra Kvitová]] [10] |- | style="text-align:center;" | 7 | style="text-align:center;" | 7 | {{flagicon|FRA}} [[Caroline Garcia]] | style="text-align:center;" | 4,700 | style="text-align:center;" | 10 | style="text-align:center;" | 390 | style="text-align:center;" | '''5,080''' | Semifinals lost to {{flagicon|NED}} [[Kiki Bertens]] |- | style="text-align:center;" | 8 | style="text-align:center;" | 8 | {{flagicon|USA}} [[Venus Williams]] | style="text-align:center;" | 4,276 | style="text-align:center;" | 0 | style="text-align:center;" | 10 | style="text-align:center;" | '''4,286''' | First round lost to {{flagicon|EST}} [[Anett Kontaveit]] |- | style="text-align:center;" | 9 | style="text-align:center;" | 9 | {{flagicon|USA}} [[Sloane Stephens]] | style="text-align:center;" | 3,939 | style="text-align:center;" | 0 | style="text-align:center;" | 120 | style="text-align:center;" | '''4,059''' | Third round lost to {{flagicon|CZE}} [[Karolína Plíšková]] [6] |-style="background:#cfc;" | style="text-align:center;" | 10 | style="text-align:center;" | 10 | {{flagicon|CZE}} '''[[Petra Kvitová]]''' | style="text-align:center;" | 3,550 | style="text-align:center;" | 0 | style="text-align:center;" | 1000 | style="text-align:center;" | '''4,550''' | '''Champion''', defeated {{flagicon|NED}} [[Kiki Bertens]] |- | style="text-align:center;" | 11 | style="text-align:center;" | 12 | {{flagicon|GER}} [[Julia Görges]] | style="text-align:center;" | 2,980 | style="text-align:center;" | 10 | style="text-align:center;" | 120 | style="text-align:center;" | '''3,090''' | Third round lost to {{flagicon|FRA}} [[Caroline Garcia]] [7] |- | style="text-align:center;" | 12 | style="text-align:center;" | 13 | {{flagicon|USA}} [[CoCo Vandeweghe]] | style="text-align:center;" | 2,738 | style="text-align:center;" | 215 | style="text-align:center;" | 10 | style="text-align:center;" | '''2,533''' | First round lost to {{flagicon|FRA}} [[Kristina Mladenovic]] |- | style="text-align:center;" | 13 | style="text-align:center;" | 14 | {{flagicon|USA}} [[Madison Keys]] | style="text-align:center;" | 2,722 | style="text-align:center;" | 10 | style="text-align:center;" | 10 | style="text-align:center;" | '''2,722''' | First round lost to {{flagicon|ESP}} [[Sara Sorribes Tormo]] [WC] |- | style="text-align:center;" | 14 | style="text-align:center;" | 15 | {{flagicon|RUS}} [[Daria Kasatkina]] | style="text-align:center;" | 2,570 | style="text-align:center;" | 10 | style="text-align:center;" | 215 | style="text-align:center;" | '''2,775''' | Quarterfinals lost to {{flagicon|CZE}} [[Petra Kvitová]] [10] |- | style="text-align:center;" | 15 | style="text-align:center;" | 17 | {{flagicon|LAT}} [[Anastasija Sevastova]] | style="text-align:center;" | 2,505 | style="text-align:center;" | 390 | style="text-align:center;" | 65 | style="text-align:center;" | '''2,180''' | Second round lost to {{flagicon|NED}} [[Kiki Bertens]] |- | style="text-align:center;" | 16 | style="text-align:center;" | 19 | {{flagicon|SVK}} [[Magdaléna Rybáriková]] | style="text-align:center;" | 2,295 | style="text-align:center;" | (80)<sup>‡</sup> | style="text-align:center;" | 10 | style="text-align:center;" | '''2,225''' | First round lost to {{flagicon|GBR}} [[Johanna Konta]] |} † The player did not qualify for the tournament in 2017. Accordingly, points for her 16th best result are deducted instead.<br> ‡ The player did not qualify for the tournament in 2017, but was defending points from an [[ITF Women's Circuit]] tournament.
===Other entrants=== The following players received [[Wild card (sports)|wildcard]]s into the main draw: * {{flagicon|ESP}} [[Lara Arruabarrena]] * {{flagicon|ESP}} [[Georgina García Pérez]] * {{flagicon|UKR}} [[Marta Kostyuk]] * {{flagicon|PUR}} [[Monica Puig]] * {{flagicon|ESP}} [[Sara Sorribes Tormo]]
The following player received entry using a protected ranking: * {{flagicon|BLR}} [[Victoria Azarenka]]
The following players received entry from the qualifying draw: * {{flagicon|USA}} [[Danielle Collins]] * {{flagicon|ITA}} [[Sara Errani]] * {{flagicon|USA}} [[Bernarda Pera]] * {{flagicon|CZE}} [[Kristýna Plíšková]] * {{flagicon|BLR}} [[Aryna Sabalenka]] * {{flagicon|SVK}} [[Anna Karolína Schmiedlová]] * {{flagicon|ESP}} [[Sílvia Soler Espinosa]] * {{flagicon|RUS}} [[Natalia Vikhlyantseva]]
===Withdrawals=== ;Before the tournament * {{flagicon|SUI}} [[Timea Bacsinszky]] → replaced by {{flagicon|GRE}} [[Maria Sakkari]] * {{flagicon|USA}} [[Catherine Bellis]] → replaced by {{flagicon|CZE}} [[Kateřina Siniaková]] * {{flagicon|GER}} [[Angelique Kerber]] → replaced by {{flagicon|CRO}} [[Donna Vekić]] * {{flagicon|POL}} [[Agnieszka Radwańska]] → replaced by {{flagicon|SRB}} [[Aleksandra Krunić]] * {{flagicon|CZE}} [[Lucie Šafářová]] → replaced by {{flagicon|BEL}} [[Alison Van Uytvanck]] * {{flagicon|GER}} [[Laura Siegemund]] → replaced by {{flagicon|KAZ}} [[Zarina Diyas]] * {{flagicon|USA}} [[Serena Williams]] → replaced by {{flagicon|CHN}} [[Wang Qiang (tennis)|Wang Qiang]]
==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 |-style="background:#cfc;" |{{flag|RUS}} |'''[[Ekaterina Makarova]]''' |{{flag|RUS}} |'''[[Elena Vesnina]]''' |4 |1 |- |{{flag|CZE}} |[[Andrea Sestini Hlaváčková]] |{{flag|CZE}} |[[Barbora Strýcová]] |17 |2 |-style="background:#fcc;" |{{flag|HUN}} |[[Tímea Babos]] |{{flag|FRA}} |[[Kristina Mladenovic]] |19 |3 |- |{{flag|CAN}} |[[Gabriela Dabrowski]] |{{flag|CHN}} |[[Xu Yifan]] |26 |4 |- |{{flag|TPE}} |[[Latisha Chan]] |{{flagu|USA}} |[[Bethanie Mattek-Sands]] |32 |5 |- |{{flag|CZE}} |[[Barbora Krejčiková]] |{{flag|CZE}} |[[Kateřina Siniaková]] |34 |6 |- |{{flag|SLO}} |[[Andreja Klepač]] |{{flag|ESP}} |[[María José Martínez Sánchez]] |36 |7 |- |{{flag|TPE}} |[[Chan Hao-ching]] |{{flag|CHN}} |[[Yang Zhaoxuan]] |39 |8 |} *Rankings are as of April 30, 2018.
===Other entrants=== The following pairs received wildcards into the doubles main draw: * {{flagicon|ROU}} [[Sorana Cîrstea]] / {{flagicon|ESP}} [[Sara Sorribes Tormo]] * {{flagicon|ESP}} [[Anabel Medina Garrigues]] / {{flagicon|ESP}} [[Arantxa Parra Santonja]] The following pairs received entry as alternates: * {{flagicon|USA}} [[Christina McHale]] / {{flagicon|CHN}} [[Peng Shuai]] * {{flagicon|RUS}} [[Anastasia Pavlyuchenkova]] / {{flagicon|UKR}} [[Olga Savchuk]]
===Withdrawals=== ;Before the tournament * {{flagicon|UKR}} [[Kateryna Bondarenko]] (head injury) * {{flagicon|BEL}} [[Elise Mertens]] (gastrointestinal illness) * {{flagicon|LAT}} [[Jeļena Ostapenko]] (abdominal injury)
==Champions==
===Men's singles=== {{main|2018 Mutua Madrid Open – Men's singles}} * {{flagicon|GER}} '''[[Alexander Zverev]]''' def. {{flagicon|AUT}} [[Dominic Thiem]], 6–4, 6–4
===Women's singles=== {{main|2018 Mutua Madrid Open – Women's singles}} * {{flagicon|CZE}} '''[[Petra Kvitová]]''' def. {{flagicon|NED}} [[Kiki Bertens]], 7–6<sup>(8–6)</sup>, 4–6, 6–3
===Men's doubles=== {{main|2018 Mutua Madrid Open – Men's doubles}} * {{flagicon|CRO}} '''[[Nikola Mektić]]''' / {{flagicon|AUT}} '''[[Alexander Peya]]''' def. {{flagicon|USA}} [[Bob Bryan]] / {{flagicon|USA}} [[Mike Bryan]], 5–3, ret.
===Women's doubles=== {{main|2018 Mutua Madrid Open – Women's doubles}} * {{flagicon|RUS}} '''[[Ekaterina Makarova]]''' / {{flagicon|RUS}} '''[[Elena Vesnina]]''' def. {{flagicon|HUN}} [[Tímea Babos]] / {{flagicon|FRA}} [[Kristina Mladenovic]], 2–6, 6–4, [10–8]
==References== {{Reflist}}
==External links== * [http://www.madrid-open.com/en/ Official website]
{{Madrid Masters tournaments|title=Madrid tournaments}}
{{2018 ATP World Tour}} {{2018 WTA Tour}}
{{DEFAULTSORT:Madrid Open,2018}} [[Category:2018 Mutua Madrid Open| ]] [[Category:May 2018 sports events in Spain]]