Round: 25 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/26 01:00 | Issei Okamura v Shao-Fan Liu | 3-6,5-7 |
| ITF Japan F4 | 2018/03/25 01:00 | Shao-Fan Liu v Aoran Wang | 6-3,6-0 |
| ITF China F3 | 2018/01/24 03:00 | Florent Diep v Shao-Fan Liu | 6-0,6-0 |
| ITF China F3 | 2018/01/23 06:05 | Yuanfeng Li v Shao-Fan Liu | 1-6,6-3,3-6 |
| ITF China F3 Qual | 2018/01/22 02:30 | Shao-Fan Liu v Yanjie Zheng | 6-4,7-6 |
| ITF China F3 Qual | 2018/01/21 02:30 | Shao-Fan Liu v Bingyu Yu | 6-3,6-2 |
| ITF China F2 | 2018/01/16 02:00 | Ryota Tanuma v Shao-Fan Liu | 6-2,6-1 |
| ITF China F2 Qual | 2018/01/15 02:00 | Shao-Fan Liu v Sheng Hao Zhou | 7-5,6-3 |
| ITF Japan F3 | 2018/03/22 04:45 | Tung-Lin Wu v Hiroyasu Ehara | 6-4,7-6 |
| ITF Japan F3 | 2018/03/19 01:00 | Tamaki Yamao v Hiroyasu Ehara | 6-2,3-6,0-6 |
| ITF Japan F2 | 2018/03/13 02:10 | Yuta Shimizu v Hiroyasu Ehara | 7-6,6-3 |
| Challenger Yokohama | 2018/03/01 03:35 | Jordan Thompson v Hiroyasu Ehara | 6-4,6-2 |
| Challenger Yokohama | 2018/02/27 06:50 | Hiroyasu Ehara v Andrew Whittington | 7-6,6-7,6-4 |
| Challenger Yokohama Qual | 2018/02/26 01:00 | Zhe Li v Hiroyasu Ehara | 6-7,6-3,4-6 |
| Challenger Yokohama Qual | 2018/02/25 01:00 | Tung-Lin Wu v Hiroyasu Ehara | 5-7,3-6 |
| Challenger Yokohama Qual | 2018/02/24 03:45 | Luca Margaroli v Hiroyasu Ehara | 1-6,2-6 |