Stadium: Court 3 Round: 26 Ground: Clay
| ITF Germany F9 | 2018/07/24 17:05 | Ehrat, Sandro v Lucas Gerch | 6-2,6-3 |
| ITF M15 Anif | 2020/08/25 10:00 | Lucas Gerch v Quinzi, Gianluigi | 2-6,6-3,6-4 |
| German Premier League | 2020/08/14 07:00 | Lucas Gerch v Mannapov, Alexander | 6-1,3-6,6-1 |
| German Premier League | 2020/08/13 14:00 | Peters, Flemming v Lucas Gerch | 2-6,0-6 |
| German Premier League | 2020/08/12 11:05 | Lucas Gerch v Tom Schonenberg | 7-5,1-6,6-2 |
| German Premier League | 2020/08/11 13:40 | Netuschil, Marvin v Lucas Gerch | 6-4,6-7,7-5 |
| German Premier League | 2020/08/10 14:30 | Lucas Gerch v Mats Rosenkranz | 1-6,4-6 |
| German Masters | 2020/08/06 13:20 | Oscar Moraing v Lucas Gerch | 6-4,5-7,2-6 |
| German Masters | 2020/08/05 10:20 | Benjamin Lock v Lucas Gerch | 3-6,4-6 |
| ITF M15 Anif | 2020/08/25 07:50 | Nicholas David Ionel v Ehrat, Sandro | 7-6,2-6,4-6 |
| Coupe Davis | 2020/03/06 20:00 | Juan Pablo Varillas v Ehrat, Sandro | 7-6,7-6 |
| Palm Coast, Singles M-ITF-USA-05A | 2020/02/04 18:40 | Alex Rybakov v Ehrat, Sandro | 7-6,7-6 |
| Newport Beach, USA | 2020/01/27 18:00 | Ehrat, Sandro v Sebastian Korda | 3-6,6-4,2-6 |
| ITF M25 Rancho Santa Fe | 2020/01/18 18:00 | Geoffrey Blancaneaux v Ehrat, Sandro | 6-3,6-4 |
| ITF M25 Rancho Santa Fe | 2020/01/17 18:45 | Ehrat, Sandro v Alexander Ritschard | 7-6,6-4 |
| ITF M25 Rancho Santa Fe | 2020/01/16 18:00 | Ehrat, Sandro v Alexey Zakharov | 7-6,6-1 |
| ITF M25 Rancho Santa Fe | 2020/01/14 21:50 | Ehrat, Sandro v Zachary Svajda | 6-2,6-4 |