Ground: Hardcourt outdoor
| 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 F1 | 2015/03/11 01:00 | Takuto Niki v Shintaro Imai | 5-7,7-6,6-4 |
| ITF - Korea F1 | 2015/05/16 01:00 | Yu-Seob Kim v Dong-Hak Sin | 3-6,3-6 |
| ITF - Korea F1 - Qualifikation | 2014/04/29 00:30 | Cheong-Eui Kim v Dong-Hak Sin | 6-4,6-4 |