Stadium: Court 1 Round: 25 Ground: Clay
| Challenger - Augsburg | 2019/08/05 08:00 | Balaji, N. Sriram v Prashanth, N. Vijay Sundar | 6-2,6-3 |
| Fergana, Uzbekistan | 2019/06/17 08:30 | Prashanth, N. Vijay Sundar v Altug Celikbilek | 3-6,4-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/12 02:55 | Shintaro Imai v Prashanth, N. Vijay Sundar | 6-2,6-4 |
| Vercelli, Singles Qualifying M-ITF-ITA-08A | 2019/05/09 09:00 | Prashanth, N. Vijay Sundar v Moroni, Filippo | 6-3,1-6,3-6 |
| Vercelli, Singles Qualifying M-ITF-ITA-08A | 2019/05/07 11:15 | Prashanth, N. Vijay Sundar v Giorgio Ricca | 6-2,7-5 |
| ITF - M25 Santa Margherita | 2019/04/30 12:20 | Prashanth, N. Vijay Sundar v Prevosto, Luca | 2-6,2-6 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/24 11:30 | Prashanth, N. Vijay Sundar v Kalenichenko, Danylo | 1-6,0-6 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/16 11:40 | Prashanth, N. Vijay Sundar v Dan Added | 3-6,1-6 |
| Challenger - Augsburg | 2019/08/05 16:00 | Lenz, Julian v Esteve Lobato, Eduard | 4-6,6-4,6-4 |
| Challenger Liberec | 2019/07/29 09:35 | Tomas Machac v Lenz, Julian | 7-6,6-1 |
| Hamburg, Germany | 2019/07/23 16:30 | Fabio Fognini v Lenz, Julian | 6-4,6-4 |
| Hamburg, Germany | 2019/07/21 11:55 | Gianluca Mager v Lenz, Julian | 2-6,7-6,5-7 |
| Hamburg, Germany | 2019/07/20 11:45 | Lenz, Julian v Joao Domingues | 6-3,4-6,7-6 |
| Challenger Amersfoort | 2019/07/16 08:00 | Lenz, Julian v Igor Sijsling | 4-6,1-6 |
| Braunchsweig, Germany | 2019/07/08 13:05 | Lenz, Julian v Yannick Hanfmann | 5-7,4-6 |
| Ludwigshafen, Allemagne | 2019/07/02 09:00 | Haerteis, Johannes v Lenz, Julian | 3-6,7-6,7-6 |