{{Short description|Tennis tournament in Moscow}} {{main|Kremlin Cup}} {{TennisEventInfo|2021|Kremlin Cup| | date= 18–24 October | edition=31st (men) / 25th (women) | surface=[[Tennis court#Indoor courts|Hard (indoor)]] | prize_money=ATP $697,125<br/>WTA $565,530 | location=Moscow, Russia | venue=[[Irina Viner-Usmanova Gymnastics Palace]]<br>[[Luzhniki Palace of Sports]] | category=[[ATP Tour 250|ATP 250]] (men)<br />{{Nowrap|[[WTA 500 tournaments|WTA 500]]}} (women) | champms={{flagicon|RUS}} [[Aslan Karatsev]] | champws={{flagicon|EST}} [[Anett Kontaveit]] | champmd={{flagicon|FIN}} [[Harri Heliövaara]] / {{flagicon|NED}} [[Matwé Middelkoop]] | champwd={{flagicon|LAT}} [[Jeļena Ostapenko]] / {{flagicon|CZE}} [[Kateřina Siniaková]] | before_year=2019 | after_year=2023 }}
The '''2021 [[Kremlin Cup]]''' (also known as the '''2021 [[VTB Bank|VTB]] Kremlin Cup''' for sponsorship reasons) was a professional [[tennis]] tournament played on indoor [[hard court]]s. It was the 31st edition of the [[Kremlin Cup]] for the men and the 25th edition for the women. The tournament was part of the [[ATP Tour 250|ATP 250 series]] of the [[2021 ATP Tour]],<ref>{{cite web|title=ATP Kremlin Cup Overview|url=https://www.atptour.com/en/tournaments/moscow/438/overview|website=atptour.com}}</ref> and of the [[WTA 500 tournaments|WTA 500 series]] of the [[2021 WTA Tour]].<ref>{{cite web|title=VTB Kremlin Cup Overview|url=https://www.wtatennis.com/tournament/730/moscow|website=wtatennis.com}}</ref> It was held at the [[Irina Viner-Usmanova Gymnastics Palace]] and the [[Luzhniki Palace of Sports]] in Moscow, Russia, from 18 October through 24 October 2021.<ref>[https://kremlincup.ru/en/news/727/ The VTB Kremlin Cup 2021 will be held in one week!]</ref>
==Champions==
===Men's singles=== {{Main|2021 Kremlin Cup – Men's singles}} * {{flagicon|RUS}} '''[[Aslan Karatsev]]''' def. {{flagicon|CRO}} [[Marin Čilić]], 6–2, 6–4
===Women's singles=== {{Main|2021 Kremlin Cup – Women's singles}} * {{flagicon|EST}} '''[[Anett Kontaveit]]''' def. {{flagicon|RUS}} [[Ekaterina Alexandrova]], 4–6, 6–4, 7–5.
This was Kontaveit's 4th WTA title, and 3rd of the year.
===Men's doubles=== {{Main|2021 Kremlin Cup – Men's doubles}} * {{flagicon|FIN}} '''[[Harri Heliövaara]]''' / {{flagicon|NED}} '''[[Matwé Middelkoop]]''' def. {{flagicon|BIH}} [[Tomislav Brkić]] / {{flagicon|SRB}} [[Nikola Ćaćić]], 7–5, 4–6, [11–9]
===Women's doubles=== {{Main|2021 Kremlin Cup – Women's doubles}} * {{flagicon|LAT}} '''[[Jeļena Ostapenko]]''' / {{flagicon|CZE}} '''[[Kateřina Siniaková]]''' def. {{flagicon|UKR}} [[Nadiia Kichenok]] / {{flagicon|ROU}} [[Raluca Olaru]], 6–2, 4–6, [10–8]
==ATP singles main-draw entrants==
===Seeds=== {|class="sortable wikitable" |- ! width="70"| Country ! width="175"| Player ! Rank<sup>1</sup> ! Seed |- |{{flag|RUS}} |[[Andrey Rublev]] |5 |1 |-bgcolor=#cfc |{{flag|RUS}} |[[Aslan Karatsev]] |23 |2 |- |{{flag|RUS}} |[[Karen Khachanov]] |29 |3 |- |{{flag|KAZ}} |[[Alexander Bublik]] |34 |4 |- |{{flag|SRB}} |[[Filip Krajinović]] |37 |5 |-bgcolor=#fcc |{{flag|CRO}} |[[Marin Čilić]] |41 |6 |- |<s>{{flag|BLR}}</s> |<s>[[Ilya Ivashka]]</s> |<s>45</s> |<s>7</s> |- |{{flag|SRB}} |[[Laslo Đere]] |47 |8 |} * Rankings are as of October 4, 2021
===Other entrants=== The following players received wildcards into the singles main draw: * {{flagicon|RUS}} [[Evgeny Donskoy]] * {{flagicon|RUS}} [[Alibek Kachmazov]] * {{flagicon|RUS}} [[Roman Safiullin]]
The following players received entry using a protected ranking: * {{flagicon|ARG}} [[Guido Pella]] * {{flagicon|FRA}} [[Gilles Simon]]
The following players received entry from the qualifying draw: * {{flagicon|BIH}} [[Damir Džumhur]] * {{flagicon|BLR}} [[Egor Gerasimov]] * {{flagicon|CRO}} [[Borna Gojo]] * {{flagicon|UKR}} [[Illya Marchenko]]
The following player received entry as a lucky loser: * {{flagicon|LTU}} [[Ričardas Berankis]]
===Withdrawals=== ;Before the tournament * {{flagicon|ESP}} [[Pablo Andújar]] → replaced by {{flagicon|ARG}} [[Federico Coria]] * {{flagicon|BLR}} [[Ilya Ivashka]] → replaced by {{flagicon|LTU}} [[Ričardas Berankis]] * {{flagicon|USA}} [[Sebastian Korda]] → replaced by {{flagicon|FRA}} [[Gilles Simon]] * {{flagicon|RUS}} [[Daniil Medvedev]] → replaced by {{flagicon|SWE}} [[Mikael Ymer]]
==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|RSA}} |[[Raven Klaasen]] |{{flag|JPN}} |[[Ben McLachlan]] |57 |1 |- |{{flag|KAZ}} |[[Andrey Golubev]] |{{flag|MON}} |[[Hugo Nys]] |94 |2 |- |{{flag|AUS}} |[[Luke Saville]] |{{flag|AUS}} |[[John-Patrick Smith]] |96 |3 |-bgcolor=#fcc |{{flag|BIH}} |[[Tomislav Brkić]] |{{flag|SRB}} |[[Nikola Ćaćić]] |97 |4 |} *<sup>1</sup> Rankings are as of October 4, 2021
=== Other entrants === The following pairs received wildcards into the doubles main draw: * {{flagicon|RUS}} [[Aslan Karatsev]] / {{flagicon|RUS}} [[Richard Muzaev]] * {{flagicon|RUS}} [[Pavel Kotov (tennis)|Pavel Kotov]] / {{flagicon|RUS}} [[Roman Safiullin]]
===Withdrawals=== ;Before the tournament * {{flagicon|ESP}} [[Pablo Andújar]] / {{flagicon|SRB}} [[Laslo Đere]] → replaced by {{flagicon|SRB}} [[Laslo Đere]] / {{flagicon|ARG}} [[Guido Pella]] * {{flagicon|ESA}} [[Marcelo Arévalo]] / {{flagicon|NED}} [[Matwé Middelkoop]] → replaced by '''{{flagicon|FIN}} [[Harri Heliövaara]] / {{flagicon|NED}} [[Matwé Middelkoop]]''' * {{flagicon|CRO}} [[Marin Čilić]] / {{flagicon|USA}} [[Sebastian Korda]] → replaced by {{flagicon|BLR}} [[Ilya Ivashka]] / {{flagicon|ESP}} [[Pedro Martínez (tennis)|Pedro Martínez]]
==WTA singles main-draw entrants==
===Seeds=== {|class="sortable wikitable" |- ! width="70"| Country ! width="180"| Player ! Rank<sup>1</sup> ! Seed |- |{{flag|BLR}} |[[Aryna Sabalenka]] |2 |1 |- |{{flag|ESP}} |[[Garbiñe Muguruza]] |6 |2 |- |{{flag|GRE}} |[[Maria Sakkari]] |9 |3 |- |{{flag|RUS}} |[[Anastasia Pavlyuchenkova]] |13 |4 |- |{{flag|TUN}} |[[Ons Jabeur]] |14 |5 |- |<s>{{flag|GER}}</s> |<s>[[Angelique Kerber]]</s> |<s>15</s> |<s>6</s> |- |{{flag|KAZ}} |[[Elena Rybakina]] |16 |7 |- |{{flag|ROU}} |[[Simona Halep]] |17 |8 |-style="background:#cfc;" |{{flag|EST}} |[[Anett Kontaveit]] |20 |9 |}
* Rankings are as of October 4, 2021 .<ref>{{cite web|url=https://tennistonic.com/tennis-news/353090/kremlin-cup-raducanu-joins-the-entry-list-to-challenge-muguruza-bencic-sakkari/|title=Raducanu joins the entry list to challenge Muguruza, Bencic, Sakkari|publisher=tennistonic.com|date=23 September 2021|accessdate=24 September 2021}}</ref>
===Other entrants=== The following players received wildcards into the singles main draw: * {{flagicon|ROU}} [[Simona Halep]] * {{flagicon|EST}} '''[[Anett Kontaveit]]''' * {{flagicon|RUS}} [[Anastasia Potapova]] * {{flagicon|BLR}} [[Aryna Sabalenka]]
The following players received entry from the qualifying draw: * {{flagicon|RUS}} [[Anna Kalinskaya]] * {{flagicon|SRB}} [[Aleksandra Krunić]] * {{flagicon|USA}} [[Bernarda Pera]] * {{flagicon|RUS}} [[Oksana Selekhmeteva]] * {{flagicon|UKR}} [[Lesia Tsurenko]] * {{flagicon|CHN}} [[Zheng Qinwen]]
The following player received entry as a lucky loser: * {{flagicon|ROU}} [[Irina Bara]]
===Withdrawals=== ;Before the tournament * {{flagicon|CAN}} [[Bianca Andreescu]] → replaced by {{flagicon|UKR}} [[Anhelina Kalinina]] * {{flagicon|ESP}} [[Paula Badosa]] → replaced by {{flagicon|GER}} [[Andrea Petkovic]] * {{flagicon|SUI}} [[Belinda Bencic]] → replaced by {{flagicon|UKR}} [[Dayana Yastremska]] * {{flagicon|USA}} [[Danielle Collins]] → replaced by {{flagicon|CZE}} [[Markéta Vondroušová]] * {{flagicon|GER}} [[Angelique Kerber]] → replaced by {{flagicon|ROU}} [[Irina Bara]] * {{flagicon|CRO}} [[Petra Martić]] → replaced by {{flagicon|CZE}} [[Kateřina Siniaková]] * {{flagicon|BEL}} [[Elise Mertens]] → replaced by {{flagicon|RUS}} [[Liudmila Samsonova]] * {{flagicon|GBR}} [[Emma Raducanu]] → replaced by {{flagicon|CZE}} [[Tereza Martincová]]
==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|CHI}} |[[Alexa Guarachi]] |{{flagu|USA}} |[[Desirae Krawczyk]] |29 |1 |-style="background:#cfc;" |{{flag|LAT}} |[[Jeļena Ostapenko]] |{{flag|CZE}} |[[Kateřina Siniaková]] |35 |2 |- |{{flag|CZE}} |[[Marie Bouzková]] |{{flag|CZE}} |[[Lucie Hradecká]] |70 |3 |-style="background:#fcc;" |{{flag|UKR}} |[[Nadiia Kichenok]] |{{flag|ROU}} |[[Raluca Olaru]] |72 |4 |} *<sup>1</sup> Rankings are as of October 4, 2021
=== Other entrants === The following pair received a wildcard into the doubles main draw: * {{flagicon|RUS}} [[Oksana Selekhmeteva]] / {{flagicon|RUS}} [[Anastasia Tikhonova (tennis)|Anastasia Tikhonova]]
The following pair received entry using a protected ranking: * {{flagicon|BLR}} [[Vera Lapko]] / {{flagicon|BLR}} [[Lidziya Marozava]]
=== Withdrawals === ;Before the tournament * {{flagicon|CAN}} [[Sharon Fichman]] / {{flagicon|MEX}} [[Giuliana Olmos]] → replaced by {{flagicon|RUS}} [[Anna Kalinskaya]] / {{flagicon|RUS}} [[Anastasia Potapova]] * {{flagicon|RUS}} [[Veronika Kudermetova]] / {{flagicon|RUS}} [[Elena Vesnina]] → replaced by {{flagicon|RUS}} [[Natela Dzalamidze]] / {{flagicon|RUS}} [[Kamilla Rakhimova]] * {{flagicon|AUS}} [[Arina Rodionova]] / {{flagicon|BLR}} [[Aliaksandra Sasnovich]] → replaced by {{flagicon|KAZ}} [[Anna Danilina]] / {{flagicon|AUS}} [[Arina Rodionova]] * {{flagicon|ROU}} [[Monica Niculescu]] / {{flagicon|ROU}} [[Elena-Gabriela Ruse]] → replaced by {{flagicon|BLR}} [[Vera Lapko]] / {{flagicon|BLR}} [[Lidziya Marozava]]
==References== {{Reflist}}
==External links== * {{Official website|http://www.kremlincup.ru/index-eng.html}}
{{Kremlin Cup tournaments}}
{{2021 ATP Tour}} {{2021 WTA Tour}}
[[Category:Kremlin Cup|2021]] [[Category:2021 ATP Tour|Kremlin Cup]] [[Category:2021 WTA Tour|Kremlin Cup]] [[Category:2021 in Russian tennis|Kremlin Cup]] [[Category:October 2021 sports events in Russia]]