Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/17 00:30 | Yuta Kawahashi v Yunosuke Tanaka | 6-3,6-1 |
| ITF Japan F2 | 2018/03/15 01:00 | Yunosuke Tanaka v Seong Chan Hong | 3-6,3-6 |
| ITF Japan F2 | 2018/03/13 04:00 | Yunosuke Tanaka v Yuto Sakai | 6-4,4-6,7-6 |
| ITF Japan F1 | 2018/03/04 01:00 | Sota Fujii v Yunosuke Tanaka | 7-6,3-6,6-2 |
| ITF Turkey F6 | 2018/02/13 10:30 | Jordi Samper-Montana v Yunosuke Tanaka | 6-2,6-3 |
| ITF Turkey F6 | 2018/02/12 09:00 | Yunosuke Tanaka v Shohei Chikami | 6-3,6-1 |
| ITF Turkey F6 | 2018/02/11 09:00 | Yunosuke Tanaka v Charly Zick | 6-2,6-2 |
| ITF Turkey F6 | 2018/02/10 06:00 | Alon Elia v Yunosuke Tanaka | 4-6,1-6 |
| 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 |
| Challenger Kyoto Qual | 2018/02/18 01:00 | Ryota Tanuma v Shinta Fujii | 3-6,5-7 |
| Challenger Kyoto Qual | 2018/02/17 02:25 | Shinta Fujii v Kento Takeuchi | 0-6,7-6,6-4 |