Stadium: COURT 6 Round: 26 Ground: Hardcourt outdoor
| ITF W25 Johannesburg | 2021/09/14 11:30 | Polina Kudermetova v Shiho Akita | 3-6,6-4,6-2 |
| 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 |
| ITF W25 Johannesburg | 2021/09/14 12:15 | Isabella Kruger v Akiko Omae | 6-4,6-1 |
| ITF - W15 Monastir | 2021/08/26 14:30 | Hina Inoue v Isabella Kruger | 3-6,6-3,6-4 |
| ITF - W15 Monastir | 2021/08/25 14:30 | Maria Paulina Perez Garcia v Isabella Kruger | 3-6,3-6 |
| ITF - W15 Monastir | 2021/08/19 15:00 | Isabella Kruger v Aglaya Fedorova | 4-6,6-3,2-6 |
| ITF - W15 Monastir | 2021/08/18 15:00 | Isabella Kruger v Poj, Nicole | 6-0,6-1 |
| ITF - W15 Monastir | 2021/07/13 09:30 | Emma Lene v Isabella Kruger | 6-2,6-4 |
| ITF - W15 Monastir | 2021/07/07 08:25 | Solymar Colling v Isabella Kruger | 6-3,6-1 |
| ITF - W15 Antalya | 2021/05/28 07:00 | Isabella Kruger v Black, Hurricane Tyra | 2-6,6-3,3-6 |