Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/17 00:30 | Kawahashi, Yuta v Tanaka, Yunosuke | 6-3,6-1 |
| ITF Japan F2 | 2018/03/15 01:00 | Tanaka, Yunosuke v Hong, Seong Chan | 3-6,3-6 |
| ITF Japan F2 | 2018/03/13 04:00 | Tanaka, Yunosuke v Sakai, Yuto | 6-4,4-6,7-6 |
| ITF Japan F1 | 2018/03/04 01:00 | Fujii, Sota v Tanaka, Yunosuke | 7-6,3-6,6-2 |
| Turkey F6, Singles Qualifying | 2018/02/13 10:30 | Samper-Montana, Jordi v Tanaka, Yunosuke | 6-2,6-3 |
| Turkey F6, Singles Qualifying | 2018/02/12 09:00 | Tanaka, Yunosuke v Shohei Chikami | 6-3,6-1 |
| Turkey F6, Singles Qualifying | 2018/02/11 09:00 | Tanaka, Yunosuke v Zick, Charly | 6-2,6-2 |
| Turkey F6, Singles Qualifying | 2018/02/10 06:00 | Elia, Alon v Tanaka, Yunosuke | 4-6,1-6 |
| ITF Japan F3 | 2018/03/19 04:05 | Fujii, Shinta v Tanuma, Ryota | 2-6,2-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Fujii, Shinta v Rio Noguchi | 4-6,2-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Ito, Yuichi v Fujii, Shinta | 1-6,6-3,4-6 |
| ITF Japan F2 | 2018/03/11 00:30 | Kousuke Ogura v Fujii, Shinta | 6-2,5-7,6-7 |
| ITF Japan F1 | 2018/03/03 04:30 | Fujii, Shinta v Fujii, Sota | 4-6,4-6 |
| Challenger Kyoto Qual | 2018/02/19 01:30 | Zhe Li v Fujii, Shinta | 6-4,6-3 |
| Challenger Kyoto Qual | 2018/02/18 01:00 | Tanuma, Ryota v Fujii, Shinta | 3-6,5-7 |
| Challenger Kyoto Qual | 2018/02/17 02:25 | Fujii, Shinta v Takeuchi, Kento (1987) | 0-6,7-6,6-4 |