Stadium: Center Court Grosshesselohe Round: 1
| DTB German Pro Series | 2020/06/14 11:00 | Marvin Moeller v Lucas Gerch | 4-6,5-7 |
| DTB German Pro Series | 2020/06/13 11:55 | Niklas Guttau v Lucas Gerch | 4-6,3-6 |
| DTB German Pro Series | 2020/06/12 16:25 | Maximilian Marterer v Lucas Gerch | 6-3,6-1 |
| DTB German Pro Series | 2020/06/11 11:40 | Daniel Altmaier v Lucas Gerch | 6-2,7-6 |
| Challenger Koblenz | 2020/02/19 09:00 | Tallon Griekspoor v Lucas Gerch | 6-4,2-6,7-6 |
| Challenger Koblenz | 2020/02/18 10:20 | Enrico Dalla Valle v Lucas Gerch | 1-6,4-6 |
| Challenger Koblenz | 2020/02/17 09:00 | Lucas Gerch v Johann Willems | 6-1,6-7,6-1 |
| ITF M25 Naples | 2020/02/13 15:00 | Eduard Esteve Lobato v Lucas Gerch | 7-6,4-6,7-5 |
| DTB German Pro Series | 2020/06/14 08:40 | Mika Lipp v Adrian Obert | 1-6,6-4,6-2 |
| DTB German Pro Series | 2020/06/13 09:40 | Mika Lipp v Christoph Negritu | 7-5,3-6,3-6 |
| DTB German Pro Series | 2020/06/12 09:55 | Sebastian Fanselow v Mika Lipp | 2-6,2-6 |
| DTB German Pro Series | 2020/06/11 14:35 | Johannes Haerteis v Mika Lipp | 6-0,6-0 |