Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger Chengdu Qual | 2018/07/28 02:00 | Miliaan Niesten v Jumpei Yamasaki | 6-2,6-2 |
| Challenger Granby Qual | 2018/07/21 16:25 | Taha Baadi v Jumpei Yamasaki | 7-6,6-4 |
| Challenger Gatineau Qual | 2018/07/14 21:55 | Jacob Grills v Jumpei Yamasaki | 6-3,6-1 |
| Challenger Winnipeg Qual | 2018/07/08 18:05 | Sem Verbeek v Jumpei Yamasaki | 7-6,7-6 |
| ITF Hong Kong F1 | 2018/06/29 02:00 | Jumpei Yamasaki v Yuki Mochizuki | 4-6,4-6 |
| ITF Hong Kong F1 | 2018/06/28 02:00 | Chukang Wang v Jumpei Yamasaki | 0-6,2-6 |
| ITF Hong Kong F1 | 2018/06/27 03:45 | Anthony Jackie Tang v Jumpei Yamasaki | 7-5,3-6,1-6 |
| ITF Hong Kong F1 | 2018/06/26 03:15 | Wei-De Lin v Jumpei Yamasaki | 3-6,3-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Tsung-Hao Huang v Fei Yun Liao | 4-6,4-6 |
| ITF Chinese Taipei F1 | 2018/07/17 02:00 | Haru Inoue v Tsung-Hao Huang | 6-3,6-2 |
| ITF Chinese Taipei F1 Qual | 2018/07/16 02:00 | Arata Onozawa v Tsung-Hao Huang | 5-7,6-3,1-6 |
| 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 |