Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| WTA - Luxembourg | 2021/09/11 14:10 | Tayisiya Morderger v Isabella Shinikova | 7-6,6-3 |
| US Open - Kvinder | 2021/08/25 15:00 | Isabella Shinikova v Hanna Chang | 6-2,6-7,3-6 |
| WTA - Cluj-Napoca | 2021/08/01 12:05 | Isabella Shinikova v Seone Mendez | 0-6,2-6 |
| WTA - Beograd | 2021/07/27 09:00 | Anna Blinkova v Isabella Shinikova | 6-1,6-2 |
| WTA - Prag | 2021/07/13 15:00 | Isabella Shinikova v Barbora Krejcikova | 2-6,3-6 |
| WTA - Prag | 2021/07/11 11:25 | Isabella Shinikova v Conny Perrin | 6-2,6-2 |
| WTA - Prag | 2021/07/10 11:20 | Isabella Shinikova v Riya Bhatia | 6-2,7-5 |
| WTA - Hamborg | 2021/07/06 08:00 | Elena-Gabriela Ruse v Isabella Shinikova | 6-3,6-3 |
| ITF W25 - Santarem | 2021/09/20 11:00 | Mei Yamaguchi v Madalena Amil | 6-3,6-1 |
| ITF W25 - Radom | 2021/08/11 08:00 | Mei Yamaguchi v Nagi Hanatani | 2-6,2-6 |
| ITF W25 - Radom | 2021/08/09 15:20 | Mei Yamaguchi v Aneta Laboutkova | 6-4,2-6,10-6 |
| ITF W25 - Radom | 2021/08/09 10:30 | Mei Yamaguchi v Freya Christie | 7-6,6-7,10-7 |
| ITF W25 - Bydgoszcz | 2021/08/04 12:50 | Mei Yamaguchi v Iryna Shymanovich | 5-7,0-6 |
| ITF W25 - Bydgoszcz | 2021/08/03 10:20 | Mei Yamaguchi v Sapfo Sakellaridi | 6-0,1-6,11-9 |
| ITF W25 - Bydgoszcz | 2021/08/02 11:30 | Mei Yamaguchi v Witoria Rutkowska | 5-7,6-1,10-5 |
| ITF W15 - Amarante | 2021/07/25 09:00 | Federica Rossi v Mei Yamaguchi | 4-6,6-3,4-6 |