Stadium: Court 2 Round: 14 Ground: Clay
| 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 |
| WTA Guadalajara | 2021/03/08 20:00 | Varvara Gracheva v Danka Kovinic | 6-3,4-6,5-7 |
| WTA Lyon | 2021/03/01 12:05 | Timea Babos v Varvara Gracheva | 6-4,5-7,6-3 |
| WTA Melbourne | 2021/02/15 03:10 | Varvara Gracheva v Daria Kasatkina | 4-6,3-6 |
| WTA Melbourne | 2021/02/13 01:50 | Sloane Stephens v Varvara Gracheva | 2-6,2-6 |
| WTA Miami | 2021/03/23 17:50 | Nina Stojanovic v Bethanie Mattek-Sands | 6-4,6-3 |
| WTA Miami | 2021/03/22 21:35 | Bethanie Mattek-Sands v Sara Errani | 6-4,3-6,6-4 |
| WTA Dubaj | 2021/03/06 13:15 | Irina-Camelia Begu v Bethanie Mattek-Sands | 7-6,4-6,6-0 |
| WTA Doha | 2021/03/01 12:45 | Bethanie Mattek-Sands v Anna Blinkova | 2-6,3-6 |
| WTA Doha | 2021/02/28 13:25 | Bethanie Mattek-Sands v Yaroslava Shvedova | 6-2,7-5 |
| WTA Doha | 2021/02/27 09:40 | Patricia Maria Tig v Bethanie Mattek-Sands | 3-6,2-6 |
| WTA Grampians Trophy | 2021/02/05 02:00 | Bethanie Mattek-Sands v Anett Kontaveit | 5-7,5-7 |
| WTA Grampians Trophy | 2021/02/02 23:30 | Barbora Strycova v Bethanie Mattek-Sands | 6-7,2-6 |