| ITF W25 Tsukuba - Dobles Femeninos | 08/22 07:00 | 27 | Koshiishi/Matsuda v Kobori/Okamura | 4-6,4-6 | |
| ITF W25 Tsukuba - Dobles Femeninos | 08/21 05:00 | 26 | Koshiishi/Matsuda v Hosonuma/Takahata | 6-2,6-2 | |
| ITF W25 Tsukuba - Dobles Femeninos | 08/21 03:40 | 26 | Koshiishi/Matsuda v Inoue/Inoue | CANC |