Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/18 06:00 | Arata Onozawa v Sota Fujii | 6-4,6-3 |
| Challenger Kyoto Qual | 2017/02/19 05:25 | Jimmy Wang v Arata Onozawa | 6-3,6-4 |
| Challenger Kyoto Qual | 2017/02/18 07:35 | Arata Onozawa v Yusuke Takahashi | 6-3,6-7,6-3 |
| Others | 2016/11/12 07:35 | Kento Takeuchi v Arata Onozawa | 7-6,6-2 |
| Others | 2016/11/12 02:10 | Ken Onishi v Arata Onozawa | 3-6,4-6 |
| ITF Vietnam F4 | 2016/09/15 03:00 | Arata Onozawa v Congsup Congcar | 5-7,4-6 |
| ITF Vietnam F4 | 2016/09/12 03:00 | Arata Onozawa v Koichi Sano | 2-6,7-6,6-0 |
| ITF Korea F7 | 2016/09/01 04:05 | Makoto Ochi v Arata Onozawa | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 06:00 | Rimpei Kawakami v Wei-De Lin | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 00:30 | Rimpei Kawakami v Rio Noguchi | 6-4,7-6 |
| ITF Vietnam F4 | 2016/09/13 03:00 | Zhaoyi Cao v Rimpei Kawakami | 6-4,7-5 |
| ITF Vietnam F4 | 2016/09/11 03:00 | Ahmed Deedat Abdul Razak v Rimpei Kawakami | 2-6,0-6 |
| ITF Vietnam F4 | 2016/09/10 03:00 | Rimpei Kawakami v Patrick Rynsaardt | 6-2,6-3 |
| ITF Korea F8 | 2016/09/03 05:00 | Rimpei Kawakami v Seung-Hun Shin | 6-3,2-6,4-6 |
| ITF Korea F8 | 2016/08/28 04:30 | Rimpei Kawakami v Ku Keon Kang | 7-5,3-6,3-6 |