| WTA - Bad Homburg | 2021/06/20 09:00 | Anna Zaja v Julia Middendorf | 6-2,7-5 |
| ITF W25 - Jönköping | 2021/06/16 11:10 | Carol Zhao v Anna Zaja | 6-4,4-6,6-2 |
| ITF W25 - Jönköping | 2021/06/15 08:10 | Joanne Zuger v Anna Zaja | 5-7,4-6 |
| ITF W25 - Liepaja | 2021/05/29 08:00 | Anna Zaja v Daniela Vismane | 6-1,3-6,4-6 |
| ITF W25 - Liepaja | 2021/05/28 14:00 | Anna Zaja v Kamilla Bartone | 6-0,6-2 |
| ITF W25 - Liepaja | 2021/05/28 09:20 | Anna Zaja v Maileen Nuudi | 6-3,5-7,6-2 |
| ITF W25 - Liepaja | 2021/05/26 09:25 | Valentyna Ivakhnenko v Anna Zaja | 2-6,3-6 |
| ITF W15 - Sibenik | 2021/05/19 14:15 | Oleksandra Oliynykova v Anna Zaja | 4-6,6-3,6-3 |
| WTA - Berlin | 2021/06/12 11:20 | Ann Li v Jule Niemeier | 3-6,6-7 |
| French Open - Kvinder | 2021/06/03 09:00 | Ann Li v Elina Svitolina | 0-6,4-6 |
| French Open - Kvinder | 2021/06/01 09:00 | Ann Li v Margarita Betova | 6-0,6-1 |
| WTA - Monterrey | 2021/03/20 21:00 | Ann Li v Viktorija Golubic | 2-6,4-6 |
| WTA - Monterrey | 2021/03/19 19:00 | Ann Li v Saisai Zheng | 7-5,6-1 |
| WTA - Monterrey | 2021/03/18 21:00 | Ann Li v Tamara Zidansek | 6-4,6-3 |
| WTA - Monterrey | 2021/03/15 19:40 | Ann Li v Arantxa Rus | 6-3,7-5 |
| Australian Open - Kvinder | 2021/02/12 00:00 | Aryna Sabalenka v Ann Li | 6-3,6-1 |