| ITF - M25 - Tsukuba - Herrendoppel | 04/01 04:10 | 29 | Hazawa/Shiraishi v Hsu/Huang | 6-7,6-3,5-10 | |
| ITF - M25 - Tsukuba - Herrendoppel | 03/31 04:00 | 28 | Matsui/Uesugi v Hazawa/Shiraishi | 7-5,4-6,8-10 | |
| ITF - M25 - Tsukuba - Herrendoppel | 03/29 06:30 | 26 | Kawakami/Tajima v Hazawa/Shiraishi | Retired |