Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F3 | 2016/09/09 03:00 | Renta Tokuda v Jumpei Yamasaki | 7-5,6-1 |
| ITF Thailand F2 | 2016/08/31 03:00 | Jumpei Yamasaki v Renta Tokuda | 6-4,2-6,0-6 |
| ITF Vietnam F8 | 2016/08/04 02:00 | Renta Tokuda v Jumpei Yamasaki | 1-6,3-6 |
| ITF Japan F2 | 2017/03/15 04:35 | Yusuke Takahashi v Renta Tokuda | 6-2,6-1 |
| ITF Japan F2 | 2017/03/14 04:00 | Yasugami, Takashi v Renta Tokuda | 4-6,2-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Renta Tokuda v Wishaya Trongcharoenchaikul | 4-6,1-6 |
| ITF Japan F1 | 2017/03/09 01:00 | Zhe Li v Renta Tokuda | 6-7,6-4,2-6 |
| ITF Japan F1 | 2017/03/08 03:00 | Renta Tokuda v Sho Shimabukuro | 6-2,6-4 |
| Yokohama, Japan, Qualifying | 2017/02/25 01:00 | Klein, Brydan v Renta Tokuda | 2-6,7-5,6-1 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Watanuki, Yusuke v Renta Tokuda | 6-4,4-6,6-1 |
| ITF USA F6 | 2017/02/05 15:00 | Tommy Paul v Renta Tokuda | 6-3,4-6,6-3 |
| ITF Japan F2 | 2017/03/14 02:30 | Jumpei Yamasaki v Jeamoon Lee | 1-6,3-6 |
| ITF Japan F1 | 2017/03/07 02:40 | Jumpei Yamasaki v Kikuchi, Gengo | 4-6,2-6 |
| Yokohama, Japan, Qualifying | 2017/02/27 01:00 | Blake Mott v Jumpei Yamasaki | 6-0,6-1 |
| Yokohama, Japan, Qualifying | 2017/02/26 02:20 | Itsusaki, Kaito v Jumpei Yamasaki | 3-6,3-6 |
| Yokohama, Japan, Qualifying | 2017/02/25 03:15 | Jumpei Yamasaki v Quiroz, Roberto | 6-3,3-6,7-5 |
| Kyoto, Japan | 2017/02/21 07:50 | Soonwoo Kwon v Jumpei Yamasaki | 6-1,6-1 |
| Spain F4, Singles Qualifying | 2017/02/07 08:30 | Jumpei Yamasaki v Romero de Avila Senise, Alberto | 6-3,3-6,3-6 |
| ITF Spain F3 | 2017/01/31 09:00 | David Jorda Sanchis v Jumpei Yamasaki | 3-6,7-6,6-1 |