Stadium: Court 5 Round: 27 Ground: Clay
| ITF W25 Radom - NP | 2021/08/11 14:00 | Hanatani/Lizarazo v Kubareva/Tikhonova | 6-3,7-6 |
| ITF W25 Radom - NP | 2021/08/11 14:35 | Kawamura/Kozaki v Rosca/Zhu | 6-4,7-6 |
| ITF W25 Pescara - NP | 2021/08/05 14:55 | Bosio/Moratelli v Kawamura/Kozaki | 6-2,6-3 |
| ITF W25 Pescara - NP | 2021/08/03 14:30 | Kawamura/Kozaki v Riera/Rocchetti | 6-2,6-1 |
| ITF W15 Cordenons - NP | 2021/07/27 15:20 | Labrana/Turati v Kawamura/Kozaki | 6-3,4-6,10-4 |
| ITF W25 Telavi - NP | 2021/07/23 06:00 | Vedder/Visscher v Kawamura/Kozaki | 6-4,6-4 |
| ITF W15 Nonthaburi – NP | 2019/12/07 07:00 | Lee/Schmidt v Kawamura/Kozaki | 2-6,0-6 |
| ITF W15 Nonthaburi – NP | 2019/12/06 06:45 | Kawamura/Kozaki v Ng/Zhang | 7-5,6-3 |
| ITF W15 Nonthaburi – NP | 2019/12/03 08:30 | Anontaweesil/Teerachodjiranon v Kawamura/Kozaki | 2-6,0-6 |