Stadium: Court 2 Round: 26 Ground: Clay
| WTA - Madrid - Doubles Femmes | 2021/04/30 09:00 | Dabrowski/Schuurs v Kalashnikova O / Kudryavtseva A | 7-6,7-5 |
| WTA - Stuttgart - Doubles Femmes | 2021/04/22 14:55 | Barthel / Friedsam v Kalashnikova O / Kudryavtseva A | 7-5,6-0 |
| WTA - Charleston - Doubles Femmes | 2021/04/12 18:00 | Kalashnikova O / Kudryavtseva A v Piter/Wang | 6-7,6-2,2-10 |
| WTA - Charleston - Doubles Femmes | 2021/04/05 18:25 | Jabeur/Potapova v Kalashnikova O / Kudryavtseva A | 6-1,6-4 |
| WTA St. Petersburg WD | 2021/03/20 15:15 | Kalashnikova O / Kudryavtseva A v Christian K / Santamaria S | 7-5,4-6,4-10 |
| WTA St. Petersburg WD | 2021/03/18 16:30 | Kalashnikova O / Kudryavtseva A v Marozava L / Sasnovich A | 4-6,7-5,16-14 |
| WTA St. Petersburg WD | 2021/03/17 13:05 | Kalashnikova O / Kudryavtseva A v Paar / Wachaczyk | 6-2,6-4 |
| US Open Women WD | 2020/09/05 15:00 | Kalashnikova O / Kudryavtseva A v Peschke K / Schuurs D | 2-6,5-7 |