Stadium: Court F Round: 25 Ground: Hardcourt indoor
| 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 M25 Qujing | 2019/07/10 04:00 | Rui-Xuan Wang v Jumpei Yamasaki | 4-6,2-6 |
| ITF M25 Matsuyama | 2019/04/10 07:00 | Jumpei Yamasaki v Issei Okamura | 6-4,5-7,1-6 |
| ATP Washington | 2019/07/27 16:10 | Tim Smyczek v Ramkumar Ramanathan | 6-4,6-2 |
| Challenger Binghamton | 2019/07/24 18:55 | Alexander Ritschard v Ramkumar Ramanathan | 2-6,7-6,6-2 |
| ATP Newport | 2019/07/17 21:00 | Ugo Humbert v Ramkumar Ramanathan | 7-6,6-0 |
| ATP Newport | 2019/07/16 16:50 | Ramkumar Ramanathan v Sergiy Stakhovsky | 5-7,7-6,6-2 |
| ATP Newport | 2019/07/15 15:00 | Ramkumar Ramanathan v Yuichi Sugita | 6-4,6-7,6-3 |
| ATP Newport | 2019/07/14 18:20 | Ramkumar Ramanathan v Maxime Cressy | 7-6,6-3 |
| Challenger Winnetka | 2019/07/12 16:55 | Denis Istomin v Ramkumar Ramanathan | 6-2,7-5 |
| Challenger Winnetka | 2019/07/11 18:50 | JC Aragone v Ramkumar Ramanathan | 6-7,3-6 |