Stadium: Center Court Round: 26 Ground: Hardcourt indoor
| WTA Moscow WD | 2021/10/20 16:10 | Kalashnikova O / Kato M v Bouzkova/Hradecka | 4-6,2-6 |
| WTA Moscow WD | 2021/10/19 13:20 | Lechemia/Santamaria v Kalashnikova O / Kato M | 1-6,6-4,7-10 |
| WTA Ostrava WD | 2021/09/22 13:15 | Kalashnikova O / Kato M v Hozumi/Ninomiya | 4-6,2-6 |
| WTA Ostrava WD | 2021/09/20 12:00 | Kalashnikova O / Kato M v Lohoff/Panova | 6-1,6-2 |
| Open d'Australie - Double Femmes | 2020/01/22 00:00 | Chan H-C / Chan L v Kalashnikova O / Kato M | 7-6,6-3 |
| WTA - Hobart - Doubles Femmes | 2020/01/14 01:35 | Kichenok N / Mirza S v Kalashnikova O / Kato M | 2-6,7-6,10-3 |