Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/19 01:00 | Shuichi Sekiguchi v Jumpei Yamasaki | 6-7,7-6,6-2 |
| ITF Japan F2 | 2018/03/13 03:15 | Daniel Nguyen v Jumpei Yamasaki | 6-1,2-6,6-1 |
| ITF Japan F2 | 2018/03/12 00:30 | Jumpei Yamasaki v Naru Shirafuji | 6-0,6-0 |
| ITF Japan F2 | 2018/03/11 00:30 | Jumpei Yamasaki v Takashi Yasugami | 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 Stephane Robert | 6-3,1-6,3-6 |
| Challenger Yokohama Qual | 2018/02/26 01:00 | Jumpei Yamasaki v Masamichi Imamura | 4-6,7-6,6-4 |
| ITF Japan F3 | 2018/03/17 04:00 | Yuga Tashiro v Shunrou Takeshima | 6-7,6-1,2-6 |
| ITF Japan F3 | 2018/03/17 00:30 | Yuga Tashiro v Ryota Kishi | 6-7,6-3,6-0 |
| ITF Japan F2 | 2018/03/10 00:30 | Yuga Tashiro v Takashi Yasugami | 6-7,6-2,4-6 |
| ITF Japan F1 | 2018/03/04 01:00 | Naoya Maesaki v Yuga Tashiro | 6-3,6-4 |
| ITF Egypt F6 | 2018/02/17 08:00 | Yuga Tashiro v Stephan Gerritsen | 6-7,4-6 |
| ITF Egypt F5 | 2018/02/10 12:00 | Johan Nikles v Yuga Tashiro | 6-1,3-6,7-5 |
| Challenger Toyota | 2017/11/14 05:40 | Yuga Tashiro v John Millman | 3-6,2-6 |
| Challenger Kobe Qual | 2017/11/04 04:50 | Naoki Nakagawa v Yuga Tashiro | 6-3,6-1 |