Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Geoffrey Blancaneaux v Jumpei Yamasaki | 6-4,6-4 |
| ITF Japan F2 | 2017/03/13 01:00 | Jeamoon Lee v Suzuki, Takao | 6-4,6-0 |
| Thailande F6, Qualifications Simples | 2016/12/27 04:40 | Reboul, Fabien v Jeamoon Lee | 6-3,6-4 |
| Thailande F6, Qualifications Simples | 2016/12/24 07:30 | Jeamoon Lee v Malyshev, Aleksandr | 6-1,6-0 |
| ITF Thailand F5 | 2016/12/23 03:00 | Jeamoon Lee v Soonwoo Kwon | 3-6,4-6 |
| ITF Thailand F5 | 2016/12/19 03:00 | Ismailov, Temur v Jeamoon Lee | 2-6,6-3,2-6 |
| ITF Thailand F5 | 2016/12/18 04:00 | Haenle, Pirmin v Jeamoon Lee | 3-6,6-7 |
| ITF Thailand F5 | 2016/12/17 07:30 | Kurbatov, Oleg v Jeamoon Lee | 5-7,0-6 |
| ITF Thailand F4 | 2016/12/14 03:00 | Doumbia, Sadio v Jeamoon Lee | 7-6,1-6,7-5 |