Stadium: Show court Round: 54 Ground: Hardcourt outdoor
| ITF Japan F7 | 2018/06/05 03:35 | Arata Onozawa v Takashi Saito | 6-7,4-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Arata Onozawa v Kousuke Ogura | 6-2,6-1 |
| ITF Japan F6 | 2018/04/12 01:00 | Arata Onozawa v Sora Fukuda | 6-7,6-4,1-6 |
| ITF Japan F6 | 2018/04/10 04:55 | Arata Onozawa v Aoran Wang | 6-4,6-4 |
| ITF Japan F6 Qual | 2018/04/09 02:50 | Kazuki Nishiwaki v Arata Onozawa | 7-5,6-3 |
| ITF Japan F3 | 2018/03/17 04:00 | Issei Okamura v Arata Onozawa | 7-6,6-0 |
| Challenger Kyoto Qual | 2018/02/17 06:55 | Cheong-Eui Kim v Arata Onozawa | 2-6,6-3,6-4 |
| ITF Vietnam F3 | 2017/11/23 03:00 | Arjun Kadhe v Arata Onozawa | 7-5,6-2 |
| ITF Chinese Taipei F2 | 2017/06/22 01:30 | Cheng-Yu Yu v Jia-Hong Shen | 6-3,6-1 |
| ITF Chinese Taipei F2 | 2017/06/20 03:10 | Jia-Hong Shen v Chang-Wu Lu | 5-7,6-4,6-4 |
| ITF Chinese Taipei F2 Qual | 2017/06/19 02:55 | Ho Jun Lee v Jia-Hong Shen | 2-6,0-6 |
| ITF Chinese Taipei F2 Qual | 2017/06/18 01:30 | Jad Ballout v Jia-Hong Shen | 3-6,6-4,4-6 |
| ITF Chinese Taipei F1 Qual | 2017/06/12 04:00 | Shao-Yu Yu v Jia-Hong Shen | 6-1,6-0 |
| ITF Chinese Taipei F1 | 2015/08/23 04:30 | Jia-Hong Shen v Cing-Yang Meng | 1-6,2-6 |
| ITF Chinese Taipei F1 Qual | 2015/08/16 02:00 | Chang-Wu Lu v Jia-Hong Shen | 6-4,7-6 |