Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Anif | 2020/08/27 11:35 | Lucas Gerch v Sandro Ehrat | 6-7,5-7 |
| ITF M15 Anif | 2020/08/25 10:00 | Lucas Gerch v Gianluigi Quinzi | 2-6,6-3,6-4 |
| German Premier League | 2020/08/14 07:00 | Lucas Gerch v Alexander Mannapov | 6-1,3-6,6-1 |
| German Premier League | 2020/08/13 14:00 | Flemming Peters 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 | Marvin Netuschil 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 |
| ITF M15 Anif | 2020/08/28 10:00 | Peter Heller v Sadio Doumbia | 6-3,6-2 |
| ITF M15 Anif | 2020/08/27 14:25 | Karlis Ozolins v Sadio Doumbia | 2-6,4-6 |
| ITF M15 Anif | 2020/08/26 11:40 | Sebastian Fanselow v Sadio Doumbia | 2-6,2-6 |
| ITF M25 Vogau | 2020/08/20 09:25 | Sadio Doumbia v Mathias Bourgue | 5-7,2-6 |
| ITF M25 Vogau | 2020/08/19 08:00 | Sadio Doumbia v Simon Beaupain | 7-6,6-2 |
| Challenger Potchefstroom | 2020/03/12 08:00 | Sadio Doumbia v Evgeny Karlovskiy | 6-4,2-6,7-6 |
| Challenger Potchefstroom | 2020/03/10 09:15 | Sadio Doumbia v Marek Gengel | 6-4,6-2 |
| ITF M25 Potchefstroom | 2020/03/07 10:00 | Sadio Doumbia v Tobias Simon | 6-7,3-6 |