Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/25 01:00 | Jumpei Yamasaki v Tashiro, Yuga | 6-2,6-3 |
| ITF Japan F3 | 2018/03/19 01:00 | Sekiguchi, Shuichi v Jumpei Yamasaki | 6-7,7-6,6-2 |
| ITF Japan F2 | 2018/03/13 03:15 | Nguyen, Daniel v Jumpei Yamasaki | 6-1,2-6,6-1 |
| ITF Japan F2 | 2018/03/12 00:30 | Jumpei Yamasaki v Shirafuji, Naru | 6-0,6-0 |
| ITF Japan F2 | 2018/03/11 00:30 | Jumpei Yamasaki v Yasugami, Takashi | 6-0,6-3 |
| ITF Japan F1 | 2018/03/08 07:15 | Jumpei Yamasaki v Yuki Mochizuki | 1-6,3-6 |
| ITF Japan F1 | 2018/03/06 02:00 | Kaichi Uchida v Jumpei Yamasaki | 6-1,6-7,3-6 |
| Challenger Yokohama | 2018/02/27 04:45 | Jumpei Yamasaki v Robert, Stephane | 6-3,1-6,3-6 |
| ITF Japan F4 | 2018/03/25 01:00 | Kato, Takumi v Uesugi, Teppei | 1-6,4-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Uesugi, Teppei v Shirafuji, Naru | 6-2,6-3 |
| ITF Japan F3 | 2018/03/18 01:00 | Uesugi, Teppei v Tamaki Yamao | 3-6,4-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Aoran Wang v Uesugi, Teppei | 6-7,2-6 |
| ITF Japan F1 | 2018/03/03 01:00 | Uesugi, Teppei v Itsusaki, Kaito | 7-6,0-6,2-6 |
| Yokohama, Japan, Qualifying | 2018/02/25 01:00 | Zhe Li v Uesugi, Teppei | 6-0,6-3 |
| Yokohama, Japan, Qualifying | 2018/02/24 02:45 | Sasaki, Kengo v Uesugi, Teppei | 2-6,7-6,6-7 |
| ITF Japan F8 | 2017/06/14 05:30 | Furuta, Ibuki v Uesugi, Teppei | 6-3,7-5 |