Round: 54 Ground: Synthetic outdoor
| 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 | Дейн Кели 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 | Чуканг Уанг v Masaki Osafune | 7-5,4-6,1-6 |
| ITF China F7 Qual | 2017/05/14 02:55 | Masaki Osafune v Калъм Пътърджил | 7-5,6-1 |
| ITF China F7 Qual | 2017/05/13 06:30 | Луис Кларк v Masaki Osafune | 1-6,5-7 |
| ITF China F6 | 2017/05/09 03:10 | Masaki Osafune v Ян Бай | 2-6,2-6 |
| ITF China F6 Qual | 2017/05/08 03:25 | Masaki Osafune v Казума Кавачи | 6-2,6-4 |
| ITF Japan F7 | 2017/06/03 04:00 | Shoma Kato v Keisuke Numajiri | 6-4,6-1 |
| ITF Japan F3 | 2017/03/18 00:30 | Shane Vinsant v Shoma Kato | 6-1,6-1 |
| ITF Japan F2 | 2017/03/12 04:00 | Shoma Kato v Рио Ногучи | 1-6,1-6 |
| ITF Japan F1 | 2017/03/08 01:00 | Shoma Kato v Хироясу Ехара | 3-6,2-6 |
| ITF Indonesia F3 Qual | 2017/02/20 11:15 | Робин Тоур v Shoma Kato | 6-3,7-5 |
| ITF Indonesia F3 Qual | 2017/02/19 10:25 | Cristian Stefan Moldovan v Shoma Kato | 4-6,1-6 |
| ITF Indonesia F2 Qual | 2017/02/12 12:30 | Рет Пърсел v Shoma Kato | 7-6,6-4 |
| ITF Indonesia F2 Qual | 2017/02/11 10:55 | Shoma Kato v Skyler Butts | 6-2,6-0 |