Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Vietnam F1 | 2018/05/02 03:00 | Niki Kaliyanda Poonacha v Jumpei Yamasaki | 4-6,6-3,1-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/13 06:20 | Jumpei Yamasaki v Nguyen, Phuong van | 6-2,6-4 |
| Challenger Yokkaichi | 2019/08/06 04:35 | Nam, Ji Sung v Jumpei Yamasaki | 6-3,6-2 |
| Challenger Yokkaichi | 2019/08/05 01:30 | Jumpei Yamasaki v Blake Ellis | 6-4,6-4 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/25 04:30 | Yusuke Takahashi v Jumpei Yamasaki | 6-2,6-2 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/23 02:00 | Jumpei Yamasaki v Purcell, Rhett | 3-6,6-1,6-2 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/17 02:00 | Jumpei Yamasaki v Kousuke Ogura | 6-2,3-6,4-6 |
| Qujing, Simples M-ITF-CHN-13A | 2019/07/13 02:30 | Jumpei Yamasaki v Yan Bai | 0-6,5-7 |
| Qujing, Simples M-ITF-CHN-13A | 2019/07/12 03:25 | Rio Noguchi v Jumpei Yamasaki | 3-6,2-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/14 03:50 | Purcell, Rhett v Niki Kaliyanda Poonacha | 6-4,2-6,1-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/08 03:50 | Moritani, Soichiro v Niki Kaliyanda Poonacha | 7-6,7-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/06 05:45 | Arazza, Odeda Muhammad v Niki Kaliyanda Poonacha | 2-6,1-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/31 07:25 | Noikor, Noppadol v Niki Kaliyanda Poonacha | 7-6,6-1 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/24 02:00 | Niki Kaliyanda Poonacha v Naoki Tajima | 4-6,6-4,1-6 |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 2019/05/25 08:45 | Carr, Simon v Niki Kaliyanda Poonacha | 6-4,7-6 |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 2019/05/25 06:00 | R Prabodh, Suraj v Niki Kaliyanda Poonacha | 4-6,4-6 |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 2019/05/22 10:40 | Sunish, Dhruv v Niki Kaliyanda Poonacha | 2-6,0-6 |