Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2017/03/25 03:00 | Takumi Kato v Yuga Tashiro | 5-7,3-6 |
| ITF Japan F3 | 2017/03/18 08:00 | Yunosuke Tanaka v Yuga Tashiro | 6-2,6-1 |
| ITF Japan F3 | 2017/03/18 03:00 | Yuga Tashiro v Hiromasa Oku | 6-3,6-2 |
| ITF Japan F1 | 2017/03/06 01:00 | Yuga Tashiro v Rio Noguchi | 2-6,4-6 |
| ITF Japan F1 | 2017/03/05 01:00 | Koichi Sano v Yuga Tashiro | 2-6,4-6 |
| ITF Thailand F6 | 2016/12/24 08:30 | Xiao Gong v Yuga Tashiro | 6-4,6-2 |
| ITF Thailand F6 | 2016/12/24 04:00 | Yuga Tashiro v Punn Bodhidatta | 3-6,6-0,6-2 |
| ITF Thailand F5 | 2016/12/17 02:30 | Yuga Tashiro v Maksim Malyshev | 6-7,6-1,1-6 |
| ITF Japan F4 | 2017/03/25 03:00 | Yu Chang v Keisuke Watanuki | 7-6,3-6,4-6 |
| ITF Japan F2 | 2017/03/14 04:20 | Yusuke Takahashi v Keisuke Watanuki | 6-2,6-2 |
| ITF Japan F2 | 2017/03/13 01:00 | Kittiphong Wachiramanowong v Keisuke Watanuki | 4-6,6-7 |
| ITF Japan F2 | 2017/03/12 02:00 | Keisuke Watanuki v Shinta Fujii | 6-2,2-6,6-2 |
| ITF Japan F2 | 2017/03/11 03:00 | Yuta Kawahashi v Keisuke Watanuki | 2-6,2-6 |
| ITF Japan F1 | 2017/03/06 01:00 | Kaito Itsusaki v Keisuke Watanuki | 6-3,6-3 |
| ITF Japan F1 | 2017/03/05 01:00 | Masaki Osafune v Keisuke Watanuki | 6-7,6-0,2-6 |
| ITF Japan F8 | 2016/06/16 02:15 | Keisuke Watanuki v Sho Katayama | 3-6,1-6 |