| ITF W25 Osaka WD | 04/12 05:15 | 28 | Marino/Okuno v Hsu/Wang | 3-6,6-4,7-10 | |
| 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 04:00 | 26 | Ozeki/Ueda v Marino/Okuno | 4-6,1-6 | |
| ITF W25 Kashiwa WD | 04/04 06:25 | 27 | Marino/Okuno v Morisaki/Yonehara | 3-6,7-6,7-10 | |
| ITF W25 Kashiwa WD | 04/03 07:30 | 26 | Akita/Hsu v Marino/Okuno | 6-2,3-6,9-11 |