Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/19 04:05 | Shinta Fujii v Ryota Tanuma | 2-6,2-6 |
| ITF Japan F2 | 2018/03/12 02:30 | Yuya Kibi v Ryota Tanuma | 6-2,2-6,7-5 |
| Challenger Yokohama Qual | 2018/02/24 02:45 | Zhe Li v Ryota Tanuma | 5-7,6-1,6-2 |
| Challenger Kyoto Qual | 2018/02/18 01:00 | Ryota Tanuma v Shinta Fujii | 3-6,5-7 |
| Challenger Kyoto Qual | 2018/02/17 01:00 | Ryota Tanuma v Kazuma Kawachi | 6-3,6-0 |
| ITF China F3 | 2018/01/24 03:00 | Ryota Tanuma v Ivan Nedelko | 3-6,5-7 |
| ITF China F3 | 2018/01/22 05:55 | Tyler Lu v Ryota Tanuma | 3-6,3-6 |
| ITF China F2 | 2018/01/17 05:10 | Yan Bai v Ryota Tanuma | 1-6,7-5,6-2 |
| ITF Japan F3 | 2018/03/19 05:15 | Shunsuke Wakita v Sora Fukuda | 1-6,0-6 |
| Challenger Kyoto | 2018/02/19 08:30 | Andrew Whittington v Sora Fukuda | 6-3,6-3 |
| ITF Egypt F3 | 2018/01/31 14:00 | Sora Fukuda v Pablo Vivero Gonzalez | 6-2,3-6,4-6 |
| ITF Egypt F1 | 2018/01/18 08:00 | Romain Barbosa v Sora Fukuda | 7-5,6-2 |
| ITF Egypt F1 | 2018/01/17 08:00 | Julien Dubail v Sora Fukuda | 6-7,1-6 |
| ITF Hong Kong F6 | 2018/01/02 04:50 | Michael Zhu v Sora Fukuda | 6-1,7-5 |
| ITF Hong Kong F5 | 2017/12/26 06:10 | Sora Fukuda v Takashi Saito | 6-4,6-7,3-6 |
| ITF Indonesia F8 | 2017/12/01 06:30 | Sora Fukuda v Renta Tokuda | 1-6,2-6 |