Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Vienna | 2021/09/01 10:00 | Polina Kudermetova v Erika Andreeva | 2-6,0-6 |
| ITF W25 Vrnjacka Banja | 2021/08/17 11:15 | Polina Kudermetova v Cristina Dinu | 6-2,3-6,3-6 |
| ITF W25 Liepaja | 2021/05/28 08:00 | Polina Kudermetova v Iryna Shymanovich | 5-7,1-6 |
| ITF W25 Liepaja | 2021/05/26 13:10 | Valeriya Strakhova v Polina Kudermetova | 3-6,0-6 |
| ITF - W15 Antalya | 2021/04/22 06:50 | Polina Kudermetova v Misaki Matsuda | 1-6,2-6 |
| ITF - W15 Antalya | 2021/04/20 07:00 | Koelzer, Romy v Polina Kudermetova | 5-7,4-6 |
| ITF - W15 Antalya | 2021/04/13 12:35 | Nuria Brancaccio v Polina Kudermetova | 6-1,6-4 |
| WTA St. Petersburg | 2021/03/13 17:15 | Polina Kudermetova v Magdalena Frech | 1-6,3-6 |
| WTA Cleveland | 2021/08/21 16:05 | Moore, Tara v Shiho Akita | 7-6,6-4 |
| ITF W100 Landisville | 2021/08/09 15:25 | Shiho Akita v Daria Snigur | 2-6,3-6 |
| ITF W25 Pelham | 2021/05/18 17:10 | Ashlyn Krueger v Shiho Akita | 6-1,6-0 |
| ITF W25 Salinas | 2021/05/13 17:20 | Lucrezia Stefanini v Shiho Akita | 6-4,6-1 |
| ITF W25 Salinas | 2021/05/11 16:00 | Shiho Akita v Burrage, Jodie Anna | 6-2,7-6 |
| ITF W25 Salinas | 2021/05/05 14:00 | Shiho Akita v Carolina Alves | 2-6,4-6 |
| ITF - W15 Antalya | 2021/05/01 07:30 | Olivia Gadecki v Shiho Akita | 6-3,6-3 |
| ITF - W15 Antalya | 2021/04/30 07:30 | Tamira Paszek v Shiho Akita | 3-6,4-6 |