Stadium: Court 1 Round: 25 Ground: Carpet indoor
| ITF Qatar F6 | 2018/12/17 12:05 | Lucas Gerch v Aslan Karatsev | 1-6,0-6 |
| ITF Qatar F5 | 2018/12/11 17:05 | Lucas Gerch v Richard Muzaev | 2-6,4-6 |
| ITF Qatar F5 | 2018/12/10 14:00 | Lucas Gerch v Guy Den Heijer | 6-2,3-6,4-6 |
| ITF Qatar F5 | 2018/12/09 14:50 | Lucas Gerch v Aliaksandr Prudnikau | 6-1,7-5 |
| Challenger Pune | 2018/11/21 11:15 | Prajnesh Gunneswaran v Lucas Gerch | 6-1,6-3 |
| Challenger Pune | 2018/11/20 09:50 | Collin Altamirano v Lucas Gerch | 3-6,1-6 |
| Challenger Pune | 2018/11/19 06:30 | Lucas Gerch v Benjamin Hassan | 6-4,6-0 |
| Challenger Pune | 2018/11/18 08:25 | Lucas Gerch v Miliaan Niesten | 3-6,6-4,6-4 |
| ITF M25 Nussloch | 2019/01/21 19:30 | Lenny Hampel v David Novotny | 6-1,3-6,10-6 |
| ITF M25 Nussloch | 2019/01/21 15:25 | Lenny Hampel v Nino Ehrenschneider | 7-6,6-2 |
| ITF Tunisia F43 | 2018/12/04 09:55 | Lenny Hampel v Yan Bondarevskiy | 5-7,3-6 |
| ITF Tunisia F42 | 2018/11/29 09:00 | Giorgio Ricca v Lenny Hampel | 6-4,6-4 |
| ITF Tunisia F42 | 2018/11/27 08:00 | Aryan Goveas v Lenny Hampel | 6-3,4-6,3-6 |
| ITF Tunisia F41 | 2018/11/21 12:10 | Savriyan Danilov v Lenny Hampel | 2-6,6-3,6-0 |
| Challenger Bratislava | 2018/11/04 10:50 | Lenny Hampel v Ante Pavic | 6-7,4-6 |
| Challenger Bratislava | 2018/11/03 09:55 | Andrej Glvac v Lenny Hampel | 3-6,4-6 |