Round: 26 Ground: Hardcourt outdoor
| Challenger Toyota MD | 2016/11/14 05:30 | Watanuki/Watanuki v Ratiwatana/Yi | 3-6,4-6 |
| Challenger Kobe MD | 2016/11/10 05:00 | Masur/Pavic v Watanuki/Watanuki | 2-6,6-3,10-5 |
| Challenger Kobe MD | 2016/11/07 06:10 | Watanuki/Watanuki v Peng/Uchiyama | 2-6,6-3,11-9 |
| ITF Japan F7 MD | 2016/06/11 06:30 | Watanuki/Watanuki v Moritani/Okamura | 6-3,6-4 |
| ITF Japan F7 MD | 2016/06/10 05:40 | Watanuki/Watanuki v Han/Uesugi | 3-6,7-6,10-6 |
| ITF Japan F7 MD | 2016/06/09 05:55 | Nagao/Oku v Watanuki/Watanuki | 6-2,3-6,8-10 |
| ITF Japan F2 MD | 2017/03/14 08:10 | Moritani/Shiga v Kono/Sakai | 3-6,5-7 |
| ITF Indonesia F2 MD | 2017/02/18 07:35 | King/Pasha v Moritani/Shiga | 6-3,6-7,10-6 |
| ITF Indonesia F2 MD | 2017/02/17 08:05 | Imai/Kim v Moritani/Shiga | 3-6,6-4,9-11 |
| ITF Indonesia F2 MD | 2017/02/16 09:40 | Foo/Hobbs v Moritani/Shiga | 4-6,3-6 |
| ITF Indonesia F2 MD | 2017/02/14 05:30 | Moritani/Shiga v Trongcharoenchaikul/Wachiramanowong | 6-2,6-7,10-8 |