Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/23 01:00 | Shane Vinsant v Chan-Yeong Oh | 6-2,3-6,6-3 |
| ITF Japan F3 | 2017/03/22 03:00 | Chan-Yeong Oh v Soichiro Moritani | 6-3,3-6,6-4 |
| ITF Japan F3 | 2017/03/20 01:00 | Masaya Kobayashi v Chan-Yeong Oh | 4-6,2-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Chan-Yeong Oh v Naoya Maesaki | 6-2,6-4 |
| ITF Japan F3 | 2017/03/18 08:00 | Chan-Yeong Oh v Yuki Nakamura | 6-3,1-6,7-5 |
| ITF Japan F3 | 2017/03/18 03:00 | Chan-Yeong Oh v Ibuki Furuta | 7-6,6-1 |
| ITF Indonesia F3 | 2017/02/23 03:00 | Sho Katayama v Chan-Yeong Oh | 7-6,7-6 |
| ITF Indonesia F3 | 2017/02/22 05:20 | Chan-Yeong Oh v Mohd Assri Merzuki | 6-3,6-4 |
| ITF Japan F3 | 2017/03/18 06:00 | Hayato Kudo v Takuya Komura | 5-7,6-7 |
| ITF Japan F1 | 2017/03/04 01:00 | Hayato Kudo v Shunrou Takeshima | 4-6,4-6 |