Round: 54 Ground: Clay
| ITF Japan F6 Qual | 2017/05/27 01:00 | Yuki Matsuo v Keigo Shimizu | 7-6,5-7,6-1 |
| ITF Japan F5 | 2017/04/06 02:50 | Yusuke Takahashi v Yuki Matsuo | 6-2,6-3 |
| ITF Japan F5 | 2017/04/04 00:30 | Yuki Matsuo v Koichi Sano | 7-5,7-6 |
| ITF Japan F4 | 2017/03/28 01:00 | Chan-Yeong Oh v Yuki Matsuo | 6-1,6-1 |
| ITF Japan F4 | 2017/03/27 01:00 | Takashi Yasugami v Yuki Matsuo | 7-6,1-6,1-6 |
| ITF Japan F4 | 2017/03/25 02:00 | Yuki Matsuo v Kazuki Nishiwaki | 5-7,7-6,6-3 |
| ITF Japan F3 | 2017/03/19 01:00 | Shane Vinsant v Yuki Matsuo | 6-2,6-3 |
| ITF Japan F3 | 2017/03/18 06:00 | Tomohiro Masabayashi v Yuki Matsuo | 1-6,2-6 |
| 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 |
| ITF China F6 Qual | 2017/05/08 03:25 | Masaki Osafune v Kazuma Kawachi | 6-2,6-4 |
| ITF China F6 Qual | 2017/05/07 01:30 | Masaki Osafune v Liran Chen | 6-3,6-3 |