Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Masamichi Imamura v Sho Shimabukuro | 5-7,5-7 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Quentin Folliot v Masamichi Imamura | 1-6,3-6 |
| Challenger Yokohama | 2019/02/26 02:20 | Soonwoo Kwon v Masamichi Imamura | 6-2,6-2 |
| Challenger Yokohama | 2019/02/25 01:00 | Renta Tokuda v Masamichi Imamura | 5-7,2-6 |
| ITF Japan F7 | 2018/06/07 02:00 | Sora Fukuda v Masamichi Imamura | 6-3,6-2 |
| ITF Japan F7 | 2018/06/05 01:00 | Masamichi Imamura v Takuya Kaneko | 6-2,7-5 |
| ITF Japan F4 | 2018/03/25 01:00 | Yuki Matsuo v Masamichi Imamura | 6-3,6-0 |
| ITF Japan F4 | 2018/03/24 02:00 | Masamichi Imamura v Takashi Saito | 6-4,6-4 |
| ITF Japan F4 | 2018/03/27 01:00 | Tung-Lin Wu v Ryuki Matsuda | 6-0,6-2 |
| ITF Turkey F8 | 2018/02/25 07:30 | Ryuki Matsuda v Cengiz Aksu | 2-6,1-6 |
| ITF Turkey F8 | 2018/02/24 07:00 | Alexandros Dinopoulos v Ryuki Matsuda | 2-6,1-6 |
| ITF Turkey F6 | 2018/02/13 09:50 | Anil Yuksel v Ryuki Matsuda | 6-1,6-4 |
| ITF Turkey F6 | 2018/02/12 07:00 | Ryuki Matsuda v Koray Kirci | 6-3,6-1 |
| ITF Turkey F6 | 2018/02/11 06:00 | Bogdan Borza v Ryuki Matsuda | 4-6,4-6 |
| ITF Turkey F6 | 2018/02/10 09:00 | Gustavs Lukstins v Ryuki Matsuda | 0-6,1-6 |