Round: 28 Ground: Clay
| ITF Japan F8 | 2017/06/16 01:35 | Sho Shimabukuro v Yusuke Watanuki | 4-6,4-6 |
| ITF Japan F8 | 2017/06/15 01:00 | Yuto Sakai v Yusuke Watanuki | 4-6,6-3,3-6 |
| ITF Japan F8 | 2017/06/14 01:00 | Tetsuro Habusawa v Yusuke Watanuki | 3-6,3-6 |
| ITF Japan F7 | 2017/06/06 01:00 | Takuto Niki v Yusuke Watanuki | 5-7,7-5,6-4 |
| ITF Japan F6 | 2017/05/29 05:50 | Yusuke Watanuki v Shintaro Imai | 0-6,5-7 |
| ITF Japan F5 | 2017/04/09 03:30 | Yusuke Watanuki v Masato Shiga | 6-7,5-7 |
| ITF Japan F5 | 2017/04/09 03:00 | Yusuke Watanuki v Masato Shiga | 6-7,5-7 |
| ITF Japan F5 | 2017/04/07 04:30 | Yusuke Watanuki v Shintaro Imai | 6-1,6-3 |
| ITF Japan F8 | 2017/06/16 01:00 | Yuta Shimizu v Yuki Mochizuki | 1-6,1-6 |
| ITF Japan F8 | 2017/06/15 01:00 | Yuki Mochizuki v Shunrou Takeshima | 6-3,6-4 |
| ITF Japan F8 | 2017/06/13 01:30 | Takashi Saito v Yuki Mochizuki | 6-7,1-6 |
| ITF Japan F6 | 2017/05/29 05:55 | Yuki Mochizuki v Shuichi Sekiguchi | 3-6,4-6 |
| ITF Japan F5 | 2017/04/03 05:00 | Masato Shiga v Yuki Mochizuki | 6-4,6-0 |
| ITF Japan F1 | 2017/03/09 01:00 | Yusuke Takahashi v Yuki Mochizuki | 4-6,6-4,6-1 |
| ITF Japan F1 | 2017/03/07 02:30 | Issei Okamura v Yuki Mochizuki | 2-6,4-6 |
| ITF Japan F1 | 2017/03/06 01:00 | Yuki Mochizuki v Shunrou Takeshima | 6-2,6-4 |