Stadium: Centre Court Round: 26 Ground: Grass
| WTA Bad Homburg | 2021/06/21 14:30 | Kvitova, Petra v Piter, Katarzyna | 4-6,6-1,6-4 |
| Open de France - Femmes | 2021/05/30 11:25 | Greet Minnen v Kvitova, Petra | 7-6,6-7,1-6 |
| WTA - Rome | 2021/05/12 09:30 | Vera Zvonareva v Kvitova, Petra | 6-4,3-6,6-4 |
| WTA - Rome | 2021/05/10 09:35 | Magda Linette v Kvitova, Petra | 6-1,0-6,2-6 |
| WTA - Madrid | 2021/05/05 11:35 | Barty, Ashleigh v Kvitova, Petra | 6-1,3-6,6-3 |
| WTA - Madrid | 2021/05/03 11:50 | Kvitova, Petra v Veronika Kudermetova | 6-3,4-6,6-4 |
| WTA - Madrid | 2021/05/01 13:15 | Kvitova, Petra v Angelique Kerber | 6-4,7-5 |
| WTA - Stuttgart | 2021/04/23 15:00 | Elina Svitolina v Kvitova, Petra | 6-7,7-5,6-2 |
| WTA Bad Homburg | 2021/06/21 11:30 | Zaja, Anna v Ann Li | 0-6,4-6 |
| WTA Berlin | 2021/06/12 11:20 | Ann Li v Jule Niemeier | 3-6,6-7 |
| Open de France - Femmes | 2021/06/03 09:00 | Ann Li v Elina Svitolina | 0-6,4-6 |
| Open de France - Femmes | 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 |