Stadium: Court 6 Round: 54
| ITF Chinese Taipei F2 Qual | 2018/07/22 04:00 | Onozawa, Arata v Liao, Fei Ti | 7-6,7-5 |
| ITF Chinese Taipei F1 Qual | 2018/07/16 02:00 | Onozawa, Arata v Tsung-Hao Huang | 5-7,6-3,1-6 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Onozawa, Arata v Shen, Jia-Hong | 6-0,6-0 |
| ITF Japan F7 | 2018/06/05 03:35 | Onozawa, Arata v Saito, Takashi | 6-7,4-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Onozawa, Arata v Kousuke Ogura | 6-2,6-1 |
| ITF Japan F6 | 2018/04/12 01:00 | Onozawa, Arata v Sora Fukuda | 6-7,6-4,1-6 |
| ITF Japan F6 | 2018/04/10 04:55 | Onozawa, Arata v Aoran Wang | 6-4,6-4 |
| ITF Japan F6 Qual | 2018/04/09 02:50 | Kazuki Nishiwaki v Onozawa, Arata | 7-5,6-3 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 02:00 | Tsai, Ching-Huang v Matsuzaki, Yutaro | 4-6,6-2,6-4 |
| ITF Chinese Taipei F1 | 2018/07/18 02:00 | Banes, Maverick v Tsai, Ching-Huang | 7-5,6-3 |
| ITF Chinese Taipei F1 Qual | 2018/07/16 05:55 | Tsai, Ching-Huang v Lo, Yi Jui | 6-7,6-1,6-2 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 03:30 | Tsai, Mu Fu v Tsai, Ching-Huang | 1-6,1-6 |
| ITF Chinese Taipei F2 | 2017/06/20 01:30 | Shintaro Imai v Tsai, Ching-Huang | 6-0,6-2 |
| ITF Chinese Taipei F1 | 2017/06/13 02:00 | Yan Bai v Tsai, Ching-Huang | 6-0,6-4 |
| ITF Chinese Taipei F3 | 2016/10/23 03:30 | Tsai, Ching-Huang v Jeong, Suk Young | 1-6,4-6 |
| ITF Chinese Taipei F2 | 2016/10/19 02:00 | Yunseong Chung v Tsai, Ching-Huang | 6-4,6-2 |