Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Arata Onozawa v Jia-Hong Shen | 6-0,6-0 |
| 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 Chinese Taipei F1 Qual | 2018/07/15 02:00 | Yutaro Matsuzaki v Tsung-Hao Huang | 6-7,1-6 |
| ITF China F10 Qual | 2018/07/07 05:00 | Tsung-Hao Huang v Zhe Zhou | 3-6,2-6 |
| ITF China F9 | 2018/07/04 03:00 | Weiqiang Zheng v Tsung-Hao Huang | 6-1,6-4 |
| ITF China F9 | 2018/07/03 07:00 | Weibowen Zou v Tsung-Hao Huang | 2-6,4-6 |
| ITF China F9 Qual | 2018/07/02 02:00 | Ruitong Fang v Tsung-Hao Huang | 4-6,1-6 |
| ITF China F9 Qual | 2018/07/01 02:00 | Tsung-Hao Huang v Sheng Hao Zhou | 6-4,6-2 |
| ITF China F9 Qual | 2018/06/30 02:00 | Tsung-Hao Huang v Jiaqi Zhao | 6-2,6-3 |
| ITF China F6 | 2018/05/15 02:00 | Fajing Sun v Tsung-Hao Huang | 6-1,6-2 |