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