Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/25 01:00 | Soichiro Moritani v Masaki Sasai | 6-4,6-3 |
| ITF Japan F4 | 2018/03/24 02:00 | Soichiro Moritani v Itsuki Matsumoto | 6-2,6-3 |
| ITF Japan F3 | 2018/03/19 01:00 | Sho Katayama v Soichiro Moritani | 6-2,6-0 |
| ITF Japan F3 | 2018/03/18 01:00 | Soichiro Moritani v Takashi Saito | 6-3,3-6,0-6 |
| ITF Japan F3 | 2018/03/17 04:00 | Soichiro Moritani v Kazuki Shimizu | 6-2,6-3 |
| ITF Japan F2 | 2018/03/16 01:00 | Soichiro Moritani v Shintaro Imai | 2-6,5-7 |
| ITF Japan F2 | 2018/03/14 02:40 | Kento Takeuchi v Soichiro Moritani | 4-6,0-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Yuki Takamura v Soichiro Moritani | 6-4,1-6,3-6 |
| ITF Japan F4 | 2018/03/25 01:00 | James Trotter v Shinta Fujii | 4-6,4-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Yunosuke Tanaka v Shinta Fujii | 6-4,2-6,6-7 |
| ITF Japan F3 | 2018/03/19 04:05 | Shinta Fujii v Ryota Tanuma | 2-6,2-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Shinta Fujii v Rio Noguchi | 4-6,2-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Yuichi Ito v Shinta Fujii | 1-6,6-3,4-6 |
| ITF Japan F2 | 2018/03/11 00:30 | Kousuke Ogura v Shinta Fujii | 6-2,5-7,6-7 |
| ITF Japan F1 | 2018/03/03 04:30 | Shinta Fujii v Sota Fujii | 4-6,4-6 |
| Challenger Kyoto Qual | 2018/02/19 01:30 | Zhe Li v Shinta Fujii | 6-4,6-3 |