Round: 25 Ground: Hardcourt outdoor
| ITF Japan F2 | 2015/03/22 02:00 | Niki, Takuto v Shintaro Imai | 6-7,6-4,6-2 |
| ITF Japan F1 | 2015/03/11 01:00 | Niki, Takuto v Shintaro Imai | 5-7,7-6,6-4 |
| ITF Japan F3 | 2014/03/27 04:00 | Niki, Takuto v Shintaro Imai | 7-5,6-2 |
| ITF Japan F7 | 2017/06/09 01:00 | Niki, Takuto v Takeuchi, Kento (1987) | 4-6,6-2,4-6 |
| ITF Japan F7 | 2017/06/06 01:00 | Niki, Takuto v Watanuki, Yusuke | 5-7,7-5,6-4 |
| ITF Japan F6 | 2017/06/02 04:00 | Niki, Takuto v Sora Fukuda | 6-3,4-6,3-6 |
| ITF Japan F6 | 2017/06/01 02:00 | Niki, Takuto v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/31 01:00 | Niki, Takuto v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/30 03:30 | Niki, Takuto v Furuta, Ibuki | 6-2,6-2 |
| ITF China F8 | 2017/05/26 04:20 | Rubin Statham v Niki, Takuto | 7-6,7-6 |
| ITF China F8 | 2017/05/25 05:25 | Wang, Chuhan v Niki, Takuto | 3-6,1-6 |
| ITF Japan F7 | 2017/06/07 04:00 | Shintaro Imai v Yosuke Watanuki | 7-6,3-6,1-6 |
| ITF Japan F7 | 2017/06/06 01:00 | Shintaro Imai v Kai, Naoto | 6-1,6-2 |
| ITF Japan F6 | 2017/06/04 02:00 | Shintaro Imai v Yusuke Takahashi | 2-6,2-6 |
| ITF Japan F6 | 2017/06/03 02:00 | Sora Fukuda v Shintaro Imai | 4-6,3-6 |
| ITF Japan F6 | 2017/06/02 04:00 | Takeuchi, Kento (1987) v Shintaro Imai | 3-6,4-6 |
| ITF Japan F6 | 2017/05/31 01:00 | Itsusaki, Kaito v Shintaro Imai | 6-3,1-6,3-6 |
| ITF Japan F6 | 2017/05/29 05:50 | Watanuki, Yusuke v Shintaro Imai | 0-6,5-7 |
| ITF China F7 | 2017/05/19 04:30 | Kelly, Dayne v Shintaro Imai | 6-2,7-6 |