Round: 25 Ground: Clay
| 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 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 F5 | 2017/04/03 02:25 | Masamichi Imamura v Chan-Yeong Oh | 6-7,6-4,3-6 |
| ITF Japan F5 | 2017/04/01 01:00 | Kaito Itsusaki v Masamichi Imamura | 3-6,4-6 |
| ITF Japan F3 | 2017/03/18 08:00 | Masamichi Imamura v Katsuki Nagao | 2-6,1-6 |
| ITF Japan F3 | 2017/03/18 05:00 | Masamichi Imamura v Takuya Kumasaka | 7-6,7-5 |
| Challenger Yokohama Qual | 2017/02/25 06:25 | Hiroyasu Ehara v Masamichi Imamura | 6-3,6-4 |