Round: 25 Ground: Synthetic outdoor
| ITF Japan F3 | 2014/03/30 02:00 | Yusuke Watanuki v Takuto Niki | 4-6,2-6 |
| ITF Japan F6 | 2017/06/02 04:00 | Takuto Niki v Sora Fukuda | 6-3,4-6,3-6 |
| ITF Japan F6 | 2017/06/01 02:00 | Takuto Niki v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/31 01:00 | Takuto Niki v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/30 03:30 | Takuto Niki v Ibuki Furuta | 6-2,6-2 |
| ITF China F8 | 2017/05/26 04:20 | Rubin Statham v Takuto Niki | 7-6,7-6 |
| ITF China F8 | 2017/05/25 05:25 | Chuhan Wang v Takuto Niki | 3-6,1-6 |
| ITF China F8 | 2017/05/25 02:00 | Chuhan Wang v Takuto Niki | 3-6,1-6 |
| ITF China F8 | 2017/05/23 04:00 | Naoki Nakagawa v Takuto Niki | 3-6,2-6 |
| 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 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 |