Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF Japan F5 | 2017/04/05 02:10 | Gengo Kikuchi v Shintaro Imai | 4-6,6-4,3-6 |
| ITF Chinese Taipei F2 | 2018/07/24 02:00 | Hsien-Yin Peng v Gengo Kikuchi | 6-3,6-4 |
| ITF Chinese Taipei F1 | 2018/07/18 03:05 | Ti Chen v Gengo Kikuchi | 6-2,6-3 |
| ITF Japan F8 | 2018/06/17 02:00 | Rio Noguchi v Gengo Kikuchi | 6-3,6-4 |
| ITF Japan F8 | 2018/06/16 02:00 | Gengo Kikuchi v Sho Katayama | 6-4,7-5 |
| ITF Japan F8 | 2018/06/15 01:30 | Yuya Kibi v Gengo Kikuchi | 6-4,4-6,3-6 |
| ITF Japan F8 | 2018/06/14 01:00 | Gengo Kikuchi v Shinji Hazawa | 6-4,6-3 |
| ITF Japan F8 | 2018/06/13 01:00 | Gengo Kikuchi v Masaya Kobayashi | 6-0,6-1 |
| ITF Japan F7 | 2018/06/09 03:20 | Takashi Saito v Gengo Kikuchi | 4-6,7-6,6-3 |
| Challenger Kobe | 2018/11/13 03:35 | Yasutaka Uchiyama v Shintaro Imai | 3-6,6-3,6-2 |
| ITF Thailand F5 | 2018/10/06 03:30 | Kelsey Stevenson v Shintaro Imai | 6-7,1-6 |
| ITF Thailand F5 | 2018/10/05 04:00 | Jumpei Yamasaki v Shintaro Imai | 2-6,4-6 |
| ITF Thailand F5 | 2018/10/04 04:30 | Felix Corwin v Shintaro Imai | 6-7,4-6 |
| ITF Thailand F5 | 2018/10/03 03:40 | Ren Nakamura v Shintaro Imai | 1-6,2-6 |
| ITF Thailand F5 | 2018/10/02 07:25 | Michal Dembek v Shintaro Imai | 1-6,3-6 |
| ITF Thailand F4 | 2018/09/29 03:00 | Kento Takeuchi v Shintaro Imai | 2-6,6-4,3-6 |
| ITF Thailand F4 | 2018/09/27 02:30 | Soichiro Moritani v Shintaro Imai | 1-6,6-7 |