Stadium: Court Central Round: 28 Ground: Hardcourt indoor
| US Open WD | 2021/09/02 22:05 | Minnen/Van Uytvanck v Kichenok/Ninomiya | 6-3,6-4 |
| WTA Chicago WD | 2021/08/27 22:45 | Kichenok/Olaru v Kichenok/Ninomiya | 7-6,5-7,10-8 |
| WTA Chicago WD | 2021/08/25 18:35 | Hozumi/Rosolska v Kichenok/Ninomiya | 6-7,3-6 |
| WTA Chicago WD | 2021/08/22 23:30 | Routliffe/Sutjiadi v Kichenok/Ninomiya | 3-6,6-4,9-11 |
| WTA Cincinnati WD | 2021/08/16 17:45 | Azarenka/Pegula v Kichenok/Ninomiya | 6-2,2-6,10-6 |
| WTA Montreal WD | 2021/08/10 20:55 | Perez/Peschke v Kichenok/Ninomiya | 6-2,7-6 |
| Wimbledon Women WD | 2021/07/03 14:50 | Muhammad/Pegula v Kichenok/Ninomiya | 6-4,6-4 |
| Wimbledon Women WD | 2021/07/02 10:00 | Kichenok/Ninomiya v Linette/Rosolska | 6-4,3-6,9-7 |