| ITF W25 Osaka WD | 04/11 08:45 | 27 | Marino/Okuno v Okamura/Sema | 6-4,5-7,10-3 | |
| ITF W25 Osaka WD | 04/11 07:25 | 26 | Okamura/Sema v Arakawa/Shimizu | 6-2,3-6,13-11 | |
| ITF W25 Kashiwa WD | 04/04 06:15 | 27 | Jang/Liang v Okamura/Sema | 4-6,6-3,13-11 | |
| ITF W25 Kashiwa WD | 04/03 08:40 | 26 | Miyamoto/Ureke v Okamura/Sema | 4-6,1-6 |