Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Yokkaichi | 2019/08/06 04:35 | Ji Sung Nam v Jumpei Yamasaki | 6-3,6-2 |
| Challenger Yokkaichi | 2019/08/05 01:30 | Jumpei Yamasaki v Blake Ellis | 6-4,6-4 |
| ITF M25 Taipei | 2019/07/25 04:30 | Yusuke Takahashi v Jumpei Yamasaki | 6-2,6-2 |
| ITF M25 Taipei | 2019/07/23 02:00 | Jumpei Yamasaki v Rhett Purcell | 3-6,6-1,6-2 |
| ITF M25 Taipei | 2019/07/17 02:00 | Jumpei Yamasaki v Kousuke Ogura | 6-2,3-6,4-6 |
| ITF M25 Qujing | 2019/07/13 02:30 | Jumpei Yamasaki v Yan Bai | 0-6,5-7 |
| ITF M25 Qujing | 2019/07/12 03:25 | Rio Noguchi v Jumpei Yamasaki | 3-6,2-6 |
| ITF M25 Qujing | 2019/07/11 03:50 | Jumpei Yamasaki v Makoto Ochi | 2-6,6-3,7-6 |
| ITF M15 Jakarta | 2019/08/06 05:45 | Dusty H. Boyer v Phuong Van Nguyen | 4-6,6-1,6-3 |
| ITF Vietnam F3 | 2018/05/15 05:45 | Phuong Van Nguyen v Gengo Kikuchi | 4-6,2-6 |
| ITF Vietnam F2 | 2018/05/09 05:50 | Phuong Van Nguyen v Ji Sung Nam | 4-6,2-6 |
| ITF Vietnam F2 | 2018/05/07 05:00 | Phuong Van Nguyen v Michael Look | 6-7,6-3,6-4 |
| ITF Vietnam F1 | 2018/05/02 04:55 | Phuong Van Nguyen v Takashi Saito | 1-6,4-6 |
| ITF Vietnam F1 | 2018/05/01 03:00 | Darren Polkinghorne v Phuong Van Nguyen | 3-6,3-6 |
| ITF Vietnam F1 | 2017/11/08 03:00 | Phuong Van Nguyen v Nam Hoang Ly | 4-6,0-6 |
| ITF Vietnam F1 | 2017/11/06 04:20 | Yu Hsiou Hsu v Phuong Van Nguyen | 4-6,3-6 |