Stadium: Court 2 Round: 26 Ground: Synthetic outdoor
| ITF Japan F7 | 2018/06/04 01:00 | Yuichiro Inui v Tomohiro Masabayashi | 5-7,3-6 |
| ITF Japan F7 Qual | 2018/06/03 03:10 | Tomohiro Masabayashi v Ko Suzuki | 5-7,7-6,6-4 |
| ITF Japan F7 Qual | 2018/06/02 03:00 | Tomohiro Masabayashi v Kenta Kurita | 6-2,6-3 |
| ITF Japan F5 | 2018/03/31 00:30 | Rio Noguchi v Tomohiro Masabayashi | 4-6,6-1,7-5 |
| ITF Japan F4 | 2018/03/25 01:00 | Tomohiro Masabayashi v Jack Murray | 6-7,0-6 |
| ITF Japan F4 | 2018/03/24 04:00 | Shunsuke Wakita v Tomohiro Masabayashi | 2-6,5-7 |
| ITF Japan F3 | 2018/03/17 00:30 | Tomohiro Masabayashi v Rimpei Kawakami | 2-6,4-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Tamaki Yamao v Tomohiro Masabayashi | 6-3,4-6,6-1 |
| ITF Japan F7 | 2018/06/04 02:30 | Shunrou Takeshima v Makoto Ochi | 4-6,3-6 |
| ITF Singapore F3 | 2018/05/31 06:15 | Nicholas S. Hu v Makoto Ochi | 6-4,6-7,6-1 |
| ITF Singapore F3 | 2018/05/30 03:30 | Michael Look v Makoto Ochi | 3-6,1-6 |
| ITF Singapore F3 | 2018/05/28 10:45 | Shaheed Alam v Makoto Ochi | 1-6,1-6 |
| ITF Singapore F2 | 2018/05/24 04:55 | Kazuki Nishiwaki v Makoto Ochi | 6-2,7-5 |
| ITF Singapore F2 | 2018/05/23 07:05 | Mousheg Hovhannisyan v Makoto Ochi | 7-6,6-7,4-6 |
| ITF Singapore F2 | 2018/05/22 02:00 | David Agung Susanto v Makoto Ochi | 1-6,0-6 |
| Challenger Gimcheon | 2018/05/11 02:00 | Yoshihito Nishioka v Makoto Ochi | 6-2,6-2 |