| ITF Japan F7 MD | 06/06 06:20 | 26 | Kikuchi/Takeshima v Matsuo/Sumizawa | 6-1,6-1 | |
| ITF Japan F5 MD | 04/05 05:30 | 27 | Hatakeyama/Itsusaki v Matsuo/Sumizawa | 6-2,6-4 | |
| ITF Japan F5 MD | 04/04 06:20 | 26 | Matsuo/Sumizawa v Onishi/Suzuki | 6-3,6-3 | |
| ITF Japan F3 MD | 03/22 06:00 | 26 | Hatakeyama/Itsusaki v Matsuo/Sumizawa | 6-1,6-3 |