Round: 25 Ground: Clay
| ITF Japan F5 | 2017/04/07 04:30 | Yusuke Watanuki v Shintaro Imai | 6-1,6-3 |
| ITF Japan F2 | 2014/03/18 01:00 | Yusuke Watanuki v Shintaro Imai | 6-4,6-4 |
| 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 F5 | 2017/04/05 00:30 | Takao Suzuki v Yusuke Watanuki | 2-6,1-6 |
| ITF Japan F5 | 2017/04/04 04:30 | Yusuke Watanuki v Masaki Sasai | 6-2,6-2 |
| ITF Japan F4 | 2017/03/28 03:00 | Yusuke Watanuki v Jumpei Yamasaki | 7-6,4-6,6-7 |
| ITF Japan F3 | 2017/03/22 07:30 | Xin Gao v Yusuke Watanuki | 2-6,6-3,6-2 |
| ITF Japan F3 | 2017/03/22 03:35 | Collin Johns v Yusuke Watanuki | 3-6,1-6 |
| ITF China F7 | 2017/05/19 04:30 | Dayne Kelly v Shintaro Imai | 6-2,7-6 |
| ITF China F7 | 2017/05/17 02:00 | Kento Takeuchi v Shintaro Imai | 2-6,4-6 |
| ITF China F7 | 2017/05/16 02:00 | N. Vijay Sundar Prashanth v Shintaro Imai | 6-7,3-6 |
| ITF China F6 | 2017/05/13 03:30 | Shintaro Imai v Chuhan Wang | 5-7,4-6 |
| ITF China F6 | 2017/05/12 02:30 | Soichiro Moritani v Shintaro Imai | 0-6,1-6 |
| ITF China F6 | 2017/05/10 02:00 | Yuichi Ito v Shintaro Imai | 6-3,2-6,3-6 |
| ITF China F6 | 2017/05/09 02:00 | Yecong He v Shintaro Imai | 4-6,6-7 |
| ITF Japan F5 | 2017/04/07 04:30 | Yusuke Watanuki v Shintaro Imai | 6-1,6-3 |