Round: 27 Ground: Hardcourt outdoor
| ITF Japan F8 | 2016/06/16 01:00 | Renta Tokuda v Niki, Takuto | 6-3,7-6 |
| ITF Japan F8 | 2015/06/25 01:00 | Renta Tokuda v Niki, Takuto | 2-6,7-6,6-3 |
| ITF Japan F4 | 2017/03/30 03:15 | Niki, Takuto v Sho Shimabukuro | 6-7,6-3,7-6 |
| ITF Japan F4 | 2017/03/29 03:40 | Niki, Takuto v Takeshima, Shunrou | 6-2,7-5 |
| ITF Japan F3 | 2017/03/24 03:10 | Niki, Takuto v Nam Hoang Ly | 4-6,6-4,6-0 |
| ITF Japan F3 | 2017/03/23 01:30 | Wishaya Trongcharoenchaikul v Niki, Takuto | 7-6,1-6,4-6 |
| ITF Japan F3 | 2017/03/22 07:00 | Chung, Hong v Niki, Takuto | 3-6,5-7 |
| ITF Japan F3 | 2017/03/22 02:15 | Yuta Shimizu v Niki, Takuto | 1-6,6-3,1-6 |
| ITF Japan F2 | 2017/03/16 04:05 | Katayama, Sho v Niki, Takuto | 3-6,7-6,6-4 |
| ITF Japan F2 | 2017/03/14 04:15 | Tanaka, Yunosuke v Niki, Takuto | 4-6,4-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Renta Tokuda v Katayama, Sho | 7-6,6-4 |
| ITF Japan F4 | 2017/03/29 03:15 | Renta Tokuda v Tomohiro Masabayashi | 6-3,6-3 |
| ITF Japan F3 | 2017/03/20 01:00 | Renta Tokuda v Jumpei Yamasaki | 3-6,6-1,3-6 |
| ITF Japan F2 | 2017/03/15 04:35 | Yusuke Takahashi v Renta Tokuda | 6-2,6-1 |
| ITF Japan F2 | 2017/03/14 04:00 | Yasugami, Takashi v Renta Tokuda | 4-6,2-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Renta Tokuda v Wishaya Trongcharoenchaikul | 4-6,1-6 |
| ITF Japan F1 | 2017/03/09 01:00 | Li, Zhe v Renta Tokuda | 6-7,6-4,2-6 |
| ITF Japan F1 | 2017/03/08 03:00 | Renta Tokuda v Sho Shimabukuro | 6-2,6-4 |