Stadium: Court 6 Round: 25 Ground: Clay
| ITF Japan F6 Qual | 2018/04/09 01:00 | Kaito Uesugi v Takuya Kumasaka | 6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Kaito Uesugi v Ko Suzuki | 7-6,6-4 |
| ITF Japan F3 | 2018/03/23 02:00 | Kaito Uesugi v Makoto Ochi | 4-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/22 08:45 | Sho Katayama v Kaito Uesugi | 3-6,1-6 |
| ITF Japan F3 | 2018/03/22 05:25 | Kaito Uesugi v Shintaro Imai | 6-3,2-6,6-1 |
| ITF Japan F3 | 2018/03/19 02:40 | Tae-Woo Lee v Kaito Uesugi | 3-6,3-6 |
| ITF Japan F2 | 2018/03/16 01:00 | Daniel Nguyen v Kaito Uesugi | 6-2,2-6,7-6 |
| ITF Japan F2 | 2018/03/15 02:35 | Issei Okamura v Kaito Uesugi | 4-6,5-7 |
| ITF Japan F5 | 2018/04/04 01:00 | Makoto Ochi v Sora Fukuda | 7-6,6-7,6-2 |
| ITF Japan F5 | 2018/04/03 04:40 | Toshihide Matsui v Sora Fukuda | 4-6,6-4,4-6 |
| ITF Japan F4 | 2018/03/29 01:00 | Sora Fukuda v Ryota Tanuma | 7-6,1-6,4-6 |
| ITF Japan F4 | 2018/03/28 01:00 | Sora Fukuda v Shinta Fujii | 6-3,6-1 |
| ITF Japan F3 | 2018/03/22 03:00 | Ryota Tanuma v Sora Fukuda | 6-3,6-2 |
| 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 |