Round: 27 Ground: Clay
| ITF Japan F6 | 2017/05/31 01:00 | Renta Tokuda v Masaki Sasai | 6-4,6-3 |
| ITF Japan F6 | 2017/05/29 04:25 | Renta Tokuda v Masamichi Imamura | 6-4,6-0 |
| ITF China F7 | 2017/05/18 02:00 | Fajing Sun v Renta Tokuda | 6-4,6-3 |
| ITF China F7 | 2017/05/16 02:00 | Renta Tokuda v Xin Gao | 6-4,6-3 |
| ITF Japan F5 | 2017/04/05 00:30 | Tung-Lin Wu v Renta Tokuda | 6-3,6-1 |
| ITF Japan F5 | 2017/04/03 03:40 | Kaito Uesugi v Renta Tokuda | 4-6,0-6 |
| ITF Japan F4 | 2017/03/31 02:40 | Takuto Niki v Renta Tokuda | 6-2,6-7,7-5 |
| ITF Japan F4 | 2017/03/30 01:00 | Renta Tokuda v Sho Katayama | 7-6,6-4 |
| ITF Japan F6 | 2017/05/31 01:00 | Gengo Kikuchi v Shuichi Sekiguchi | 6-4,6-2 |
| ITF Japan F6 | 2017/05/29 04:20 | Ryota Kishi v Gengo Kikuchi | 7-6,3-6,2-6 |
| ITF Japan F5 | 2017/04/05 02:10 | Gengo Kikuchi v Shintaro Imai | 4-6,6-4,3-6 |
| ITF Japan F5 | 2017/04/03 02:45 | Shunrou Takeshima v Gengo Kikuchi | 0-6,4-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Seong Chan Hong v Gengo Kikuchi | 6-3,6-3 |
| ITF Japan F4 | 2017/03/29 01:00 | Gengo Kikuchi v Kaito Itsusaki | 6-4,6-3 |
| ITF Japan F3 | 2017/03/22 00:30 | Yusuke Takahashi v Gengo Kikuchi | 6-3,6-1 |
| ITF Japan F2 | 2017/03/15 03:55 | Gengo Kikuchi v Ibuki Furuta | 0-6,6-3,3-6 |