Stadium: Court 4 Round: 62 Ground: Clay
| ITF W25 - Bydgoszcz | 2021/08/02 11:40 | Hiroko Kuwata v Dariia Monakhova | 6-1,6-3 |
| ITF W60 - Grodzisk Mazowiecki | 2021/07/25 13:20 | Andreea Prisacariu v Hiroko Kuwata | 6-1,6-1 |
| ITF W60 - Olomouc | 2021/07/19 13:05 | Lucie Havlickova v Hiroko Kuwata | 6-2,6-2 |
| ITF W60 - Olomouc | 2021/07/18 08:00 | Anna Ozerova v Hiroko Kuwata | 2-6,0-6 |
| ITF W60 - Nur-Sultan | 2021/07/13 06:50 | Hiroko Kuwata v Anna Kubareva | 6-1,2-6,2-6 |
| ITF W25 Nur-Sultan | 2021/07/07 06:10 | Sabina Sharipova v Hiroko Kuwata | 6-1,6-2 |
| ITF W25 - Palma del Rio | 2021/06/29 20:15 | Hiroko Kuwata v Valeria Savinykh | 1-6,2-6 |
| ITF W25 Porto | 2021/06/22 11:55 | Hiroko Kuwata v Lucia Cortez Llorca | 4-6,6-4,7-10 |
| ITF W25 - Bydgoszcz | 2021/08/02 08:00 | Julia Oczachowska v Nastasja Schunk | 0-6,1-6 |
| ITF W60 - Versmold | 2021/07/27 15:50 | Nastasja Schunk v Lara Arruabarrena | 3-6,2-6 |
| WTA - Bad Homburg | 2021/06/20 09:00 | Katarzyna Piter v Nastasja Schunk | 7-6,2-6,7-6 |
| ITF W25 - Denain | 2021/06/16 09:15 | Nastasja Schunk v Paula Ormaechea | 2-6,6-3,6-7 |
| ITF W25 - Denain | 2021/06/15 10:05 | Nastasja Schunk v Sinja Kraus | 6-2,6-2 |
| ITF W25 - Denain | 2021/06/14 10:10 | Sarah Rebecca Sekulic v Nastasja Schunk | 1-6,2-6 |
| ITF W25 - Otočec | 2021/05/31 09:05 | Beatriz Haddad Maia v Nastasja Schunk | 6-4,6-4 |
| ITF W25 - Otočec | 2021/05/30 08:00 | Mila Masic v Nastasja Schunk | 1-6,0-6 |