Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/22 03:00 | Tatsuma Ito v Masamichi Imamura | 6-2,6-0 |
| ITF Japan F3 | 2018/03/20 06:00 | Masamichi Imamura v Rigele Te | 6-3,6-3 |
| ITF Japan F3 | 2018/03/18 01:00 | Masamichi Imamura v Yuta Kawahashi | 7-5,6-2 |
| ITF Japan F3 | 2018/03/17 02:30 | Cing-Yang Meng v Masamichi Imamura | 5-7,1-6 |
| ITF Japan F1 | 2018/03/05 01:00 | Shinji Hazawa v Masamichi Imamura | 4-6,7-5,6-4 |
| ITF Japan F1 | 2018/03/04 01:00 | Yo Han Sung v Masamichi Imamura | 0-6,0-6 |
| ITF Japan F1 | 2018/03/03 01:00 | Masamichi Imamura v Shunrou Takeshima | 4-6,6-4,6-2 |
| Challenger Yokohama Qual | 2018/02/26 01:00 | Jumpei Yamasaki v Masamichi Imamura | 4-6,7-6,6-4 |
| ITF Japan F3 | 2018/03/19 02:15 | Masaya Kobayashi v Takashi Saito | 6-4,4-6,6-4 |
| ITF Japan F3 | 2018/03/18 01:00 | Soichiro Moritani v Takashi Saito | 6-3,3-6,0-6 |
| ITF Japan F3 | 2018/03/17 04:00 | Kenta Kurita v Takashi Saito | 7-5,3-6,0-6 |
| ITF Japan F2 | 2018/03/13 04:45 | Takashi Saito v Naoki Nakagawa | 4-6,6-3,1-6 |
| ITF Japan F1 | 2018/03/10 02:00 | Takashi Saito v Wishaya Trongcharoenchaikul | 4-6,7-5,4-6 |
| ITF Japan F1 | 2018/03/08 03:10 | Yuichi Ito v Takashi Saito | 2-6,4-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Takashi Saito v Makoto Ochi | 6-3,2-6,6-4 |
| ITF Japan F1 | 2018/03/05 01:00 | Takashi Saito v Itsuki Matsumoto | 6-3,6-4 |