Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF China F8 | 2018/06/09 05:15 | Hiroyasu Ehara v Zhe Li | 3-6,6-7 |
| ITF China F8 | 2018/06/08 04:10 | Sho Katayama v Hiroyasu Ehara | 0-6,2-6 |
| ITF China F8 | 2018/06/06 03:25 | RunYu Zhao v Hiroyasu Ehara | 3-6,1-6 |
| ITF China F8 | 2018/06/04 03:25 | Qun Gao v Hiroyasu Ehara | 4-6,7-6,2-6 |
| ITF China F7 | 2018/05/31 04:30 | Hiroyasu Ehara v Yecong He | 6-4,4-6,1-6 |
| ITF China F7 | 2018/05/29 02:00 | Hiroyasu Ehara v Jie Cui | 6-4,6-2 |
| Challenger Busan Qual | 2018/05/13 03:25 | Hiroyasu Ehara v Blake Ellis | 6-7,6-3,3-6 |
| Challenger Gimcheon Qual | 2018/05/06 04:30 | Hiroyasu Ehara v Makoto Ochi | 7-6,3-6,4-6 |
| ITF Tunisia F21 | 2018/05/26 10:00 | Ren Nakamura v Sacha Modica | 3-6,2-6 |
| ITF Tunisia F20 | 2018/05/23 11:55 | Ren Nakamura v Quentin Gueydan | 3-6,0-6 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Marko Vejnovic v Ren Nakamura | 3-6,5-7 |
| ITF Tunisia F20 | 2018/05/19 09:00 | Connor Johnson v Ren Nakamura | 1-6,3-6 |
| ITF Tunisia F19 | 2018/05/17 09:00 | Vasko Mladenov v Ren Nakamura | 6-4,6-2 |
| ITF Tunisia F19 | 2018/05/15 10:30 | Aleksei Khomich v Ren Nakamura | 3-6,3-6 |
| ITF Tunisia F19 | 2018/05/13 09:00 | Ren Nakamura v Jorge Blanco Guadalupe | 1-6,6-4,6-2 |
| ITF Tunisia F19 | 2018/05/12 09:00 | Lluis Dolz v Ren Nakamura | 0-6,5-7 |