Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Kassel | 2019/07/17 11:10 | Marek Gengel v Mauricio Echazu | 6-2,3-6,6-3 |
| ITF M25 Kassel | 2019/07/16 08:00 | Marek Gengel v Leon Hoeveler | 6-0,6-2 |
| ITF M15 Marburg | 2019/07/09 09:00 | Marek Gengel v Kai Wehnelt | 2-6,4-6 |
| Challenger Ludwigshafen | 2019/07/01 09:00 | Daniel Gimeno-Traver v Marek Gengel | 6-4,6-4 |
| ITF M25 Pardubice | 2019/06/24 11:00 | Marek Gengel v Jan Zielinski | 7-5,5-7,9-11 |
| ITF M15 Balatonalmadi | 2019/06/18 08:00 | Marek Gengel v Georgii Kravchenko | 4-6,6-3,9-11 |
| ITF M15 Balatonalmadi | 2019/06/17 08:00 | Marek Gengel v Patrik Stepanic | 6-2,6-3 |
| ITF M25 Most | 2019/05/29 08:00 | Marek Gengel v Petr Nouza | 6-1,5-7,3-6 |
| ITF M25 Kassel | 2019/07/17 09:30 | Valentin Guenther v Fabien Reboul | 6-4,2-6,6-1 |
| ITF M25 Kassel | 2019/07/16 09:25 | Markus Wunder v Valentin Guenther | 1-6,5-7 |
| ITF M15 Marburg | 2019/07/11 17:40 | Robin Stanek v Valentin Guenther | 6-1,7-6 |
| ITF M15 Marburg | 2019/07/10 13:40 | Valentin Guenther v James Frawley | 6-4,7-6 |
| ITF M15 Marburg | 2019/07/08 09:00 | Valentin Guenther v Jannis Kahlke | 6-4,6-2 |
| ITF M15 Marburg | 2019/07/08 07:00 | Valentin Guenther v Mislav Bosnjak | 3-6,6-1,10-7 |
| ITF M15 Saarlouis | 2019/07/03 16:40 | Valentin Guenther v Raphael Baltensperger | 2-6,6-7 |
| ITF M15 Saarlouis | 2019/07/01 10:00 | Valentin Guenther v Ludvig Aaes | 6-1,6-3 |