Ground: Hardcourt outdoor
| ITF Korea F1 | 2015/05/17 02:00 | Shintaro Imai v Dong-Hak Sin | 6-4,6-0 |
| ITF Korea F1 | 2015/05/16 01:00 | Shintaro Imai v Seung-Hun Shin | 6-2,6-2 |
| ITF Japan F4 | 2015/03/31 01:00 | Yong-Kyu Lim v Shintaro Imai | 6-3,6-4 |
| ITF Japan F3 | 2015/03/26 02:40 | Shintaro Imai v Naoki Nakagawa | 6-3,2-6,6-7 |
| ITF Japan F2 | 2015/03/22 02:00 | Takuto Niki v Shintaro Imai | 6-7,6-4,6-2 |
| ITF Japan F2 | 2015/03/21 02:00 | Shintaro Imai v Chu-Huan Yi | 6-4,6-1 |
| ITF Japan F2 | 2015/03/20 01:30 | Pietro Licciardi v Shintaro Imai | 1-6,2-6 |
| ITF Japan F2 | 2015/03/18 01:00 | Shintaro Imai v Kento Takeuchi | 6-2,6-2 |
| ITF Japan F3 | 2015/03/25 01:00 | Jeamoon Lee v Takuto Niki | 1-6,1-6 |
| ITF Japan F3 | 2015/03/23 01:00 | Ko Suzuki v Jeamoon Lee | 3-6,0-6 |
| ITF Japan F3 | 2015/03/22 01:00 | Masaki Osafune v Jeamoon Lee | 4-6,3-6 |