Tsvetana Pironkova 6-4,3-6,2-6 Serena Williams 2020-09-09 16:00
Stadium: Arthur Ashe Stadium Round: 27 Ground: Hardcourt outdoor
Home History
| US Open Women | 2020/09/07 17:35 | Alize Cornet v Tsvetana Pironkova | 4-6,7-6,3-6 |
| US Open Women | 2020/09/05 19:55 | Donna Vekic v Tsvetana Pironkova | 4-6,1-6 |
| US Open Women | 2020/09/03 15:00 | Tsvetana Pironkova v Garbine Muguruza | 7-5,6-3 |
| US Open Women | 2020/09/01 15:00 | Tsvetana Pironkova v Ludmilla Samsonova | 6-2,6-3 |
| Wimbledon Women | 2017/07/06 18:40 | Tsvetana Pironkova v Caroline Wozniacki | 3-6,4-6 |
| Wimbledon Women | 2017/07/04 17:15 | Tsvetana Pironkova v Sara Errani | 6-1,6-4 |
| WTA Eastbourne | 2017/06/28 14:50 | Tsvetana Pironkova v Simona Halep | 7-6,6-7,5-7 |
| WTA Eastbourne | 2017/06/28 10:15 | Tsvetana Pironkova v Monica Niculescu | 6-0,6-4 |
Away History
| US Open Women | 2020/09/07 16:00 | Maria Sakkari v Serena Williams | 3-6,7-6,3-6 |
| US Open Women | 2020/09/05 18:10 | Sloane Stephens v Serena Williams | 6-2,2-6,2-6 |
| US Open Women | 2020/09/03 23:00 | Margarita Betova v Serena Williams | 2-6,4-6 |
| US Open Women | 2020/09/01 21:05 | Kristie Ahn v Serena Williams | 5-7,3-6 |
| WTA New York | 2020/08/26 00:40 | Maria Sakkari v Serena Williams | 5-7,7-6,6-1 |
| WTA New York | 2020/08/24 17:00 | Arantxa Rus v Serena Williams | 6-7,6-3,6-7 |
| WTA Lexington | 2020/08/14 19:15 | Serena Williams v Shelby Rogers | 6-1,4-6,6-7 |
| WTA Lexington | 2020/08/13 16:45 | Serena Williams v Venus Williams | 3-6,6-3,6-4 |