[137] Tsvetana Pironkova 1-6,4-6 Serena Williams [11] 2021-02-03 07:30
Stadium: Margaret Court Arena Round: 26 Ground: Hardcourt outdoor
Head to Head
| US Open Women | 2020/09/09 16:00 | Tsvetana Pironkova v Serena Williams | 6-4,3-6,2-6 |
Home History
| WTA Yarra Valley Classic | 2021/02/01 03:50 | Donna Vekic v Tsvetana Pironkova | 6-1,4-6,2-6 |
| WTA Yarra Valley Classic | 2021/01/31 07:10 | Tsvetana Pironkova v Ludmilla Samsonova | 6-2,6-1 |
| Australian Open Women | 2021/01/13 06:00 | Margarita Betova v Tsvetana Pironkova | 3-6,5-7 |
| Australian Open Women | 2021/01/12 08:00 | Na-Lae Han v Tsvetana Pironkova | 0-6,6-3,1-6 |
| Australian Open Women | 2021/01/10 11:40 | Kyoka Okamura v Tsvetana Pironkova | 0-6,1-6 |
| French Open Women | 2020/10/02 15:25 | Barbora Krejcikova v Tsvetana Pironkova | 5-7,6-4,6-3 |
| French Open Women | 2020/09/28 11:05 | Tsvetana Pironkova v Andrea Petkovic | 6-3,6-3 |
| US Open Women | 2020/09/09 16:00 | Tsvetana Pironkova v Serena Williams | 6-4,3-6,2-6 |
Away History
| WTA Yarra Valley Classic | 2021/02/01 06:00 | Daria Saville v Serena Williams | 1-6,4-6 |
| A Day At The Drive | 2021/01/29 04:00 | Serena Williams v Naomi Osaka | 6-2,2-6,1-0 |
| French Open Women | 2020/09/28 13:05 | Kristie Ahn v Serena Williams | 6-7,0-6 |
| US Open Women | 2020/09/11 01:30 | Serena Williams v Victoria Azarenka | 6-1,3-6,3-6 |
| US Open Women | 2020/09/09 16:00 | Tsvetana Pironkova v Serena Williams | 6-4,3-6,2-6 |
| 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 |