Round: 25 Ground: Clay
| ITF Japan F5 | 2017/04/01 01:00 | Kaito Itsusaki v Masamichi Imamura | 3-6,4-6 |
| ITF Japan F3 | 2017/03/18 08:00 | Masamichi Imamura v Katsuki Nagao | 2-6,1-6 |
| ITF Japan F3 | 2017/03/18 05:00 | Masamichi Imamura v Takuya Kumasaka | 7-6,7-5 |
| Challenger Yokohama Qual | 2017/02/25 06:25 | Hiroyasu Ehara v Masamichi Imamura | 6-3,6-4 |
| ITF Japan F4 | 2017/03/29 05:30 | Chan-Yeong Oh v Yuichi Ito | 4-6,1-6 |
| ITF Japan F4 | 2017/03/28 01:00 | Chan-Yeong Oh v Yuki Matsuo | 6-1,6-1 |
| ITF Japan F4 | 2017/03/25 02:00 | Chan-Yeong Oh v Hayato Kudo | 6-3,6-3 |
| 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 |