Stadium: Court 3 Round: 26 Ground: Clay
| WTA - Linz - Doubles Femmes | 2021/11/11 15:00 | Wang/Zheng v Kalashnikova O / Kato M | 6-4,2-6,10-6 |
| WTA - Linz - Doubles Femmes | 2021/11/10 14:00 | Lechemia/Neel v Kalashnikova O / Kato M | 6-3,6-7,5-10 |
| WTA - Linz - Doubles Femmes | 2021/11/07 20:25 | Hozumi/Mihalikova v Kalashnikova O / Kato M | 2-6,3-6 |
| ITF W60 Nantes WD | 2021/11/02 13:00 | Kalashnikova O / Kato M v Barnett A / Nicholls O | 6-2,4-6,8-10 |
| WTA Courmayeur WD | 2021/10/27 14:00 | Kalashnikova O / Kato M v Hozumi E / Zhang S | 0-6,3-6 |
| WTA Courmayeur WD | 2021/10/26 19:05 | Gatto Monticone/Pigato v Kalashnikova O / Kato M | 3-6,6-3,6-10 |
| 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 |