2021 J&T Banka Ostrava Open
Tennis tournament
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The 2021 J&T Banka Ostrava Open was a WTA tournament organised for female professional tennis players on indoor hard courts. It was the 2nd edition of the event on the 2021 WTA Tour, primarily organised due to the cancellation of the Asian tournaments during the 2021 season, because of the ongoing COVID-19 pandemic. The event took place at the Ostravar Arena in Ostrava, Czech Republic, from 20 through 26 September 2021.[1]
| 2021 J&T Banka Ostrava Open | |
|---|---|
| Date | 20–26 September |
| Edition | 2nd |
| Category | WTA 500 |
| Draw | 28S / 24Q / 16D |
| Prize money | $565,530 |
| Surface | Hard (Indoor) |
| Location | Ostrava, Czech Republic |
| Champions | |
| Singles | |
 Anett Kontaveit | |
| Doubles | |
 Sania Mirza /  Zhang Shuai | |
Champions
Singles
Anett Kontaveit def. 
Maria Sakkari, 6–2, 7–5
Doubles
Sania Mirza / 
Zhang Shuai def. 
Kaitlyn Christian / 
Erin Routliffe 6–3, 6–2
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 POL |
Iga Świątek | 8 | 1 |
 CZE |
Petra Kvitová | 10 | 2 |
 SUI |
Belinda Bencic | 12 | 3 |
 GRE |
Maria Sakkari | 13 | 4 |
 RUS |
Anastasia Pavlyuchenkova | 14 | 5 |
 GER |
Angelique Kerber | 15 | 6 |
 KAZ |
Elena Rybakina | 17 | 7 |
| CZE |
|||
 ESP |
Paula Badosa | 27 | 9 |
- Rankings are as of September 13, 2021. [2]
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Withdrawals
- Before the tournament
Barbora Krejčíková → replaced by Zhang Shuai
Elise Mertens → replaced by 
Varvara Gracheva
Petra Martić → replaced by 
Sara Sorribes Tormo- Karolína Muchová → replaced by Anna Blinkova
- Karolína Plíšková → replaced by
Jil Teichmann 
Elina Svitolina → replaced by 
Sorana Cîrstea
Doubles main draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| POL |
Magda Linette |  USA |
Bernarda Pera | 115 | 1 |
| IND |
Sania Mirza | CHN |
Zhang Shuai | 129 | 2 |
| USA |
Kaitlyn Christian |  NZL |
Erin Routliffe | 134 | 3 |
 JPN |
Eri Hozumi | JPN |
Makoto Ninomiya | 142 | 4 |
- 1 Rankings as of September 13, 2021.
Withdrawals
- Before the tournament
- Ekaterina Alexandrova / Stefanie Vögele → replaced by Rutuja Bhosale /
Emily Webley-Smith - Natela Dzalamidze / Kamilla Rakhimova → replaced by Natela Dzalamidze / Yana Sizikova
