Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/20 06:00 | Tatsuma Ito v Naoki Nakagawa | 6-2,6-3 |
| Challenger Shenzhen | 2018/03/17 03:00 | Tatsuma Ito v Ilya Ivashka | 3-6,2-6 |
| Challenger Shenzhen | 2018/03/16 05:05 | Jurgen Zopp v Tatsuma Ito | 3-6,4-6 |
| Challenger Shenzhen | 2018/03/15 09:35 | Tatsuma Ito v Uladzimir Ignatik | 1-6,6-3,6-4 |
| Challenger Shenzhen | 2018/03/13 07:20 | Di Wu v Tatsuma Ito | 6-7,7-5,5-7 |
| Challenger Zhuhai | 2018/03/06 06:55 | Tatsuma Ito v Stefano Napolitano | 3-6,3-6 |
| Challenger Yokohama | 2018/03/04 02:30 | Yasutaka Uchiyama v Tatsuma Ito | 2-6,6-3,6-4 |
| Challenger Yokohama | 2018/03/02 02:00 | Tatsuma Ito v Hiroki Moriya | 6-3,6-3 |
| 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 |
| Challenger Yokohama Qual | 2018/02/25 01:00 | Masamichi Imamura v Wishaya Trongcharoenchaikul | 6-1,6-4 |