Round: 54 Ground: Synthetic outdoor
| ITF Japan F6 Qual | 2017/05/29 03:40 | Matsuo, Yuki v Osafune, Masaki | 7-6,6-2 |
| ITF China F7 | 2017/05/17 03:40 | 켈리, 다인 v Osafune, Masaki | 6-1,6-1 |
| ITF China F7 | 2017/05/16 05:30 | 훙, 주이-첸 v Osafune, Masaki | 2-6,6-1,2-6 |
| ITF China F7 Qual | 2017/05/15 03:55 | 왕, 추캉 v Osafune, Masaki | 7-5,4-6,1-6 |
| ITF China F7 Qual | 2017/05/14 02:55 | Osafune, Masaki v 푸테르길, 칼룸 | 7-5,6-1 |
| ITF China F7 Qual | 2017/05/13 06:30 | Clark, Louis v Osafune, Masaki | 1-6,5-7 |
| ITF China F6 | 2017/05/09 03:10 | Osafune, Masaki v 바이, 이앤 | 2-6,2-6 |
| ITF China F6 Qual | 2017/05/08 03:25 | Osafune, Masaki v 카와치, 카즈마 | 6-2,6-4 |
| ITF Japan F7 | 2017/06/03 04:00 | Kato, Shoma v Numajiri, Keisuke | 6-4,6-1 |
| ITF Japan F3 | 2017/03/18 00:30 | Vinsant, Shane v Kato, Shoma | 6-1,6-1 |
| ITF Japan F2 | 2017/03/12 04:00 | Kato, Shoma v 노구치, 리오 | 1-6,1-6 |
| ITF Japan F1 | 2017/03/08 01:00 | Kato, Shoma v 에하라, 히로야스 | 3-6,2-6 |
| ITF Indonesia F3 Qual | 2017/02/20 11:15 | 토르, 로빈 v Kato, Shoma | 6-3,7-5 |
| ITF Indonesia F3 Qual | 2017/02/19 10:25 | 몰도반, 크리스티안 스테판 v Kato, Shoma | 4-6,1-6 |
| ITF Indonesia F2 Qual | 2017/02/12 12:30 | 푸르셀, 레트 v Kato, Shoma | 7-6,6-4 |
| ITF Indonesia F2 Qual | 2017/02/11 10:55 | Kato, Shoma v 부츠, 스카일러 | 6-2,6-0 |