| ITF Singapore F1 Qual | 2017/05/21 04:00 | Arata Onozawa v Michael Look | 4-6,7-6,4-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Arata Onozawa v Rimpei Kawakami | 3-6,6-2,2-6 |
| 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 Singapore F1 Qual | 2017/05/21 02:00 | Fitriadi M Rifqi v Thien Nguyen Hoang | 6-3,6-4 |
| Davis Cup | 2017/02/03 09:00 | Thien Nguyen Hoang v Hong Kit Wong | 7-6,5-7,3-6,6-3,0-6 |
| ITF Indonesia F5 | 2016/12/06 04:00 | Justin Barki v Thien Nguyen Hoang | 6-2,6-4 |
| ITF Indonesia F4 | 2016/12/01 04:45 | Shintaro Imai v Thien Nguyen Hoang | 6-2,6-4 |
| ITF Indonesia F4 | 2016/11/30 03:10 | Thien Nguyen Hoang v Li-Wei Tan | 6-2,7-6 |
| Challenger Ningbo | 2016/10/19 04:20 | Thien Nguyen Hoang v Masato Shiga | 5-7,7-5,2-6 |
| ITF Colombia F6 MD | 2016/10/17 04:35 | Matthew Brooklyn v Thien Nguyen Hoang | 3-6,4-6 |
| Challenger Ho Chi Minh City | 2016/10/11 12:10 | Shuichi Sekiguchi v Thien Nguyen Hoang | 6-1,6-3 |