Stadion: Sparkassen Court Round: 25 Ground: Clay
| 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 - Jablonec Nad Nisou | 2019/05/23 08:00 | Marek Gengel v Patrik Rikl | 5-7,1-6 |
| ITF - M15 - Prag | 2019/05/17 08:00 | Marek Gengel v Vit Kopriva | 4-6,3-6 |
| ITF - M15 - Prag | 2019/05/16 08:00 | Jiri Lehecka v Marek Gengel | 6-3,6-7,4-6 |
| ITF - M15 - Troisdorf | 2019/05/09 08:00 | Kai Wehnelt v Constantin Schmitz | 2-6,2-6 |
| ITF - M15 - Troisdorf | 2019/05/07 08:00 | Mateo Nicolas Martinez v Kai Wehnelt | 6-0,6-7,2-6 |
| ITF - M15 - Kairo | 2019/05/03 10:20 | Adrian Andrzejczuk v Kai Wehnelt | 7-6,6-1 |
| ITF - M15 - Kairo | 2019/05/02 11:30 | Gauthier Onclin v Kai Wehnelt | 2-6,1-6 |
| ITF - M15 - Kairo | 2019/05/01 10:50 | Roman Blokhin v Kai Wehnelt | 6-2,4-6,3-6 |
| ITF - M15 - Kairo | 2019/04/24 12:00 | Manfred Fellin v Kai Wehnelt | 5-7,6-3,6-3 |
| ITF - M15 - Kairo | 2019/04/19 08:00 | Kai Wehnelt v Pol Toledo Bague | 2-6,0-6 |
| ITF - M15 - Kairo | 2019/04/18 08:00 | Kai Wehnelt v Manfred Fellin | 6-1,6-2 |