[96] Ahn, Kristie 5-7,3-6 Williams, Serena [8] 2020-09-01 21:05
Stadium: Arthur Ashe Stadium Round: 23 Ground: Hardcourt outdoor
Home History
| New York, USA | 2020/08/21 16:50 | Fernandez, Leylah Annie v Ahn, Kristie | 6-4,6-1 |
| New York, USA | 2020/08/20 17:25 | Anna-Lena Friedsam v Ahn, Kristie | 5-7,0-6 |
| WTA Lexington | 2020/08/10 14:00 | Ahn, Kristie v Jovic, J. | 2-6,6-4,6-2 |
| WTA Lexington | 2020/08/09 14:00 | Ahn, Kristie v Talaba, Gabriela | 7-6,2-6,7-5 |
| WTA - Indian Wells | 2020/03/05 19:45 | Ahn, Kristie v Irina-Camelia Begu | 3-6,3-6 |
| WTA - Indian Wells | 2020/03/04 18:00 | Ahn, Kristie v Usue Maitane Arconada | 6-1,4-6,6-1 |
| ITF W25 Glasgow | 2020/02/18 09:55 | Ahn, Kristie v Dalma Galfi | 6-2,6-3 |
| WTA St. Petersburg | 2020/02/11 14:30 | Donna Vekic v Ahn, Kristie | 6-4,6-1 |
Away History
| New York, USA | 2020/08/26 00:40 | Maria Sakkari v Williams, Serena | 5-7,7-6,6-1 |
| New York, USA | 2020/08/24 17:00 | Arantxa Rus v Williams, Serena | 6-7,6-3,6-7 |
| WTA Lexington | 2020/08/14 19:15 | Williams, Serena v Shelby Rogers | 6-1,4-6,6-7 |
| WTA Lexington | 2020/08/13 16:45 | Williams, Serena v Venus Williams | 3-6,6-3,6-4 |
| WTA Lexington | 2020/08/11 15:00 | Williams, Serena v Bernarda Pera | 4-6,6-4,6-1 |
| Fed Cup, Matchs en Doubles | 2020/02/09 01:45 | Williams, Serena v Anastasija Sevastova | 6-7,6-3,6-7 |
| Fed Cup, Matchs en Doubles | 2020/02/08 04:55 | Williams, Serena v Jelena Ostapenko | 7-6,7-6 |
| Open d'Australie - Femmes | 2020/01/24 01:40 | Qiang Wang v Williams, Serena | 6-4,6-7,7-5 |