Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Japan F6 Qual | 2018/04/09 01:00 | Teppei Uesugi v Shunrou Takeshima | 4-6,2-6 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Shinji Hazawa v Teppei Uesugi | 6-4,4-6,6-7 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | Yutaro Matsuzaki v Teppei Uesugi | 4-6,0-6 |
| ITF Japan F4 | 2018/03/26 01:00 | Jumpei Yamasaki v Teppei Uesugi | 6-2,7-5 |
| ITF Japan F4 | 2018/03/25 01:00 | Takumi Kato v Teppei Uesugi | 1-6,4-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Teppei Uesugi v Naru Shirafuji | 6-2,6-3 |
| ITF Japan F3 | 2018/03/18 01:00 | Teppei Uesugi v Tamaki Yamao | 3-6,4-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Aoran Wang v Teppei Uesugi | 6-7,2-6 |
| ITF China F6 | 2018/05/19 03:00 | Kento Takeuchi v Fajing Sun | 1-6,3-6 |
| ITF China F6 | 2018/05/18 03:05 | Chenhe Li v Kento Takeuchi | 3-6,1-6 |
| ITF China F6 | 2018/05/16 02:00 | Jumpei Yamasaki v Kento Takeuchi | 4-6,6-4,6-7 |
| ITF China F5 | 2018/05/08 03:55 | Kento Takeuchi v Jie Cui | 1-6,6-3,3-6 |
| ITF Nigeria F3 | 2018/04/30 11:00 | Thomas Setodji v Kento Takeuchi | 4-6,6-7 |
| ITF Nigeria F2 | 2018/04/23 09:00 | Remi Boutillier v Kento Takeuchi | 6-3,6-1 |
| ITF Nigeria F1 | 2018/04/17 12:00 | Tukhula Jacobs v Kento Takeuchi | 6-3,6-2 |
| ITF Japan F6 | 2018/04/10 03:20 | Kento Takeuchi v Shunrou Takeshima | 6-4,4-6,5-7 |