Stadion: Center Court Round: 26 Ground: Clay
| WTA - Saint-Malo | 2021/05/04 14:25 | Christina McHale v Viktoriya Tomova | 4-6,6-2,2-6 |
| WTA - Saint-Malo | 2021/05/03 09:00 | Viktoriya Tomova v Vivian Heisen | 4-6,7-5,6-1 |
| WTA - Charleston | 2021/04/13 17:05 | Danka Kovinic v Viktoriya Tomova | 6-3,6-3 |
| WTA - Bogota | 2021/04/10 15:00 | Viktoriya Tomova v Tamara Zidansek | 3-6,5-7 |
| WTA - Bogota | 2021/04/09 18:50 | Viktoriya Tomova v Nuria Parrizas-Diaz | 5-7,6-2,6-4 |
| WTA - Bogota | 2021/04/07 15:00 | Yafan Wang v Viktoriya Tomova | 3-6,3-6 |
| WTA - Bogota | 2021/04/05 15:00 | Anna-Lena Friedsam v Viktoriya Tomova | 2-6,3-6 |
| WTA - Miami | 2021/03/22 17:40 | Viktoriya Tomova v Tereza Martincova | 4-6,1-6 |
| WTA - Saint-Malo | 2021/05/04 11:30 | Clara Tauson v Varvara Gracheva | 6-3,3-6,3-6 |
| WTA - Madrid | 2021/04/27 10:45 | Varvara Gracheva v Anastasia Potapova | 4-6,6-7 |
| WTA - Stuttgart | 2021/04/18 09:00 | Varvara Gracheva v Mona Barthel | 2-6,6-3,3-6 |
| WTA - Stuttgart | 2021/04/17 10:20 | Varvara Gracheva v Bethanie Mattek-Sands | 6-2,7-5 |
| WTA - Charleston | 2021/04/05 14:00 | Varvara Gracheva v Paula Badosa | 6-3,5-7,1-6 |
| WTA - Miami | 2021/03/23 14:00 | Varvara Gracheva v Ludmilla Samsonova | 2-6,4-6 |
| WTA - Miami | 2021/03/22 14:00 | Varvara Gracheva v Gabriela Dabrowski | 7-5,6-2 |
| WTA - Monterrey | 2021/03/16 20:00 | Varvara Gracheva v Saisai Zheng | 3-6,5-7 |