| ITF W50 Yokohama WD | 11/26 08:01 | - | Kawamura/Yoshimoto v Nakashima/Sema | 6-4,6-4 | |
| ITF W15 Sapporo WD | 06/27 06:15 | - | Nakashima/Sema v Choi/Zhang | 6-2,3-6,0-1 | |
| ITF W15 Sapporo WD | 06/26 04:00 | - | Nakashima/Sema v Chan/Kawasaki | 7-5,6-3 | |
| ITF W15 Sapporo WD | 06/24 05:18 | - | Nakashima/Sema v Furuya/Matsumoto | 7-5,6-1 |