Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Guam F1 | 2018/06/17 00:00 | Teppei Uesugi v Jesse Delaney | 7-5,6-2 |
| ITF Japan F8 | 2018/06/12 01:00 | Keisuke Watanuki v Teppei Uesugi | 6-3,6-3 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | Teppei Uesugi v Yuga Tashiro | 1-6,6-7 |
| 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 China F8 | 2018/06/05 03:30 | Alafia Ayeni v Kento Takeuchi | 6-1,7-5 |
| ITF China F7 | 2018/06/01 05:10 | Yecong He v Kento Takeuchi | 6-2,6-2 |
| ITF China F7 | 2018/05/31 04:15 | Jianhui Li v Kento Takeuchi | 4-6,4-6 |
| ITF China F7 | 2018/05/29 02:00 | Chukang Wang v Kento Takeuchi | 3-6,2-6 |
| 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 |