Round: 25 Ground: Synthetic outdoor
| ITF Japan F7 Qual | 2014/06/16 01:00 | Masaki Osafune v Renta Tokuda | 4-6,3-6 |
| ITF Japan F6 | 2017/06/03 02:30 | Yusuke Takahashi v Renta Tokuda | 6-4,6-3 |
| ITF Japan F6 | 2017/06/02 08:15 | Renta Tokuda v Gengo Kikuchi | 4-6,6-1,6-3 |
| 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 F7 | 2017/06/04 01:00 | Masaki Osafune v Shoma Kato | 6-3,6-3 |
| ITF Japan F6 Qual | 2017/05/29 03:40 | Yuki Matsuo v Masaki Osafune | 7-6,6-2 |
| ITF China F7 | 2017/05/17 03:40 | Dayne Kelly v Masaki Osafune | 6-1,6-1 |
| ITF China F7 | 2017/05/16 05:30 | Jui-Chen Hung v Masaki Osafune | 2-6,6-1,2-6 |
| ITF China F7 Qual | 2017/05/15 03:55 | Chukang Wang v Masaki Osafune | 7-5,4-6,1-6 |
| ITF China F7 Qual | 2017/05/14 02:55 | Masaki Osafune v Calum Puttergill | 7-5,6-1 |
| ITF China F7 Qual | 2017/05/13 06:30 | Louis Clark v Masaki Osafune | 1-6,5-7 |
| ITF China F6 | 2017/05/09 03:10 | Masaki Osafune v Yan Bai | 2-6,2-6 |