Round: 25 Ground: Hardcourt outdoor
| ITF Japan F1 | 2015/03/09 00:40 | Shintaro Imai v Issei Okamura | 6-0,6-1 |
| Others | 2016/11/12 07:00 | Issei Okamura v Betov, Sergey | 6-4,5-7,3-6 |
| Others | 2016/11/12 04:30 | Issei Okamura v Moritani, Soichiro | 7-5,6-2 |
| Others | 2016/11/05 02:00 | Issei Okamura v Shiga, Masato | 3-6,1-6 |
| ITF Chinese Taipei F1 | 2016/10/11 02:00 | Tung-Lin Wu v Issei Okamura | 6-2,3-6,6-2 |
| ITF Vietnam F5 | 2016/09/22 03:00 | Issei Okamura v Fujii, Shinta | 3-6,6-7 |
| ITF Vietnam F5 | 2016/09/20 03:00 | Issei Okamura v Ren Nakamura | 6-2,6-3 |
| ITF Vietnam F4 | 2016/09/16 03:00 | Ito, Yuichi v Issei Okamura | 6-2,4-6,6-4 |
| ITF Vietnam F4 | 2016/09/15 03:30 | Choi, Seungri v Issei Okamura | 4-6,3-6 |
| Others | 2016/11/12 08:30 | Przysiezny, Michal v Shintaro Imai | 7-6,6-2 |
| Others | 2016/11/12 03:50 | Takeshima, Shunrou v Shintaro Imai | 4-6,6-4,3-6 |
| Challenger Kobe | 2016/11/09 03:45 | Shintaro Imai v James Duckworth | 0-6,7-6,4-6 |
| Others | 2016/11/07 02:00 | Shintaro Imai v Takeuchi, Kento (1987) | 6-3,6-3 |
| Others | 2016/11/06 02:00 | Rungkat, Christopher v Shintaro Imai | 6-7,2-6 |
| Others | 2016/11/05 03:45 | Shintaro Imai v Kim, Young Seok | 6-1,6-2 |
| ITF Vietnam F6 - Final | 2016/09/27 05:00 | Oh, Chan-Yeong v Shintaro Imai | 6-3,5-7,7-6 |
| ITF Vietnam F5 | 2016/09/20 04:55 | Nguyen, David v Shintaro Imai | 6-4,1-6,6-4 |