Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| WTA Indian Wells | 2021/10/08 01:00 | Lauren Davis v Nuria Parrizas-Diaz | 6-2,7-5 |
| WTA Columbus | 2021/09/26 15:00 | Xinyu Wang v Nuria Parrizas-Diaz | 6-7,3-6 |
| WTA Columbus | 2021/09/25 15:00 | Saisai Zheng v Nuria Parrizas-Diaz | 7-5,3-6,4-6 |
| WTA Columbus | 2021/09/24 15:00 | Beatriz Haddad Maia v Nuria Parrizas-Diaz | 6-7,6-3,2-6 |
| WTA Columbus | 2021/09/22 17:55 | Hailey Baptiste v Nuria Parrizas-Diaz | 2-6,3-6 |
| WTA Columbus | 2021/09/20 15:15 | Elvina Kalieva v Nuria Parrizas-Diaz | 2-6,2-6 |
| WTA Luxembourg | 2021/09/14 14:20 | Greet Minnen v Nuria Parrizas-Diaz | 7-6,6-7,7-6 |
| US Open Women | 2021/08/31 16:50 | Varvara Gracheva v Nuria Parrizas-Diaz | 5-7,6-0,6-2 |
| WTA Indian Wells | 2021/10/06 18:00 | Ann Li v Misaki Doi | 2-6,7-5,5-7 |
| WTA Chicago | 2021/09/28 18:55 | Ann Li v Garbine Muguruza | 4-6,4-6 |
| WTA Chicago | 2021/09/27 14:00 | Donna Vekic v Ann Li | 3-6,1-6 |
| WTA Columbus | 2021/09/24 19:15 | Ann Li v Coco Vandeweghe | 4-6,4-6 |
| WTA Columbus | 2021/09/22 15:30 | Ann Li v Harriet Dart | 7-6,6-3 |
| WTA Columbus | 2021/09/20 19:45 | Ann Li v Lizette Cabrera | 6-2,6-2 |
| US Open Women | 2021/08/30 15:00 | Ann Li v Kristina Kucova | 5-7,1-6 |
| WTA Chicago | 2021/08/23 16:00 | Ann Li v Alize Cornet | 7-6,0-6,4-6 |