Stadium: Court 12 Round: 25 Ground: Hardcourt outdoor
| ITF Korea F3 | 2018/06/20 03:15 | Jae Hwan Kim v Shintaro Imai | 6-4,7-6 |
| ITF Korea F3 | 2018/06/19 06:35 | Hong Chung v Shintaro Imai | 6-7,6-3,1-6 |
| ITF Singapore F2 | 2018/05/24 03:00 | Collin Altamirano v Shintaro Imai | 6-2,6-2 |
| ITF Singapore F2 | 2018/05/23 02:00 | Clement Larriere v Shintaro Imai | 2-6,4-6 |
| ITF Singapore F2 | 2018/05/22 02:00 | Hao Yuan Ng v Shintaro Imai | 0-6,0-6 |
| ITF China F6 | 2018/05/18 02:00 | Shintaro Imai v Patrik Niklas-Salminen | 3-6,6-7 |
| ITF China F6 | 2018/05/16 02:00 | Shintaro Imai v Shi Hong Zeng | 6-3,6-1 |
| ITF China F6 | 2018/05/15 02:00 | Shintaro Imai v Chukang Wang | 6-3,6-2 |
| ITF Japan F8 | 2018/06/15 01:30 | Yuki Mochizuki v Ryota Tanuma | 6-3,5-7,6-2 |
| ITF Japan F8 | 2018/06/14 01:00 | Hikaru Shiraishi v Ryota Tanuma | 2-6,4-6 |
| ITF Japan F8 | 2018/06/13 01:00 | Shunrou Takeshima v Ryota Tanuma | 3-6,1-6 |
| ITF Japan F7 | 2018/06/04 01:00 | Ryota Tanuma v Haru Inoue | 5-7,2-6 |
| ITF Vietnam F3 | 2018/05/16 06:45 | Abhinav Sanjeev Shanmugam v Ryota Tanuma | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Phongsapak Kerdlaphee v Ryota Tanuma | 2-6,4-6 |
| ITF Vietnam F2 | 2018/05/11 03:00 | Gengo Kikuchi v Ryota Tanuma | 6-4,6-2 |
| ITF Vietnam F2 | 2018/05/09 03:00 | Linh Giang Trinh v Ryota Tanuma | 6-3,3-6,5-7 |