Stadium: Next Gen Court Round: 14 Ground: Hardcourt indoor
| Challenger Ismaning MD | 2020/10/21 17:25 | Cerretani J / Weissborn T-S v Drzewiecki/Walkow | 6-2,4-6,12-10 |
| Challenger Alicante MD | 2020/10/14 12:05 | Diez/Robredo v Drzewiecki/Walkow | 7-6,5-7,10-7 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/05 12:15 | Sitak/Zelenay v Drzewiecki/Walkow | 7-5,6-4 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/04 14:15 | Griekspoor/Haase v Drzewiecki/Walkow | 3-6,7-6,10-12 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/03 14:30 | Lindstedt/Stakhovsky v Drzewiecki/Walkow | 6-4,3-6,5-10 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/02 14:45 | Drzewiecki/Walkow v Goransson/Oliveira | 6-4,7-6 |
| Challenger Trieste MD | 2020/08/26 13:05 | Cobolli F / Gigante M v Drzewiecki/Walkow | 6-7,6-4,10-7 |
| Challenger Todi MD | 2020/08/21 14:00 | Behar A / Golubev A v Drzewiecki/Walkow | 6-2,6-4 |
| ITF M15 Forbach MD | 2020/10/01 13:30 | Bouquier A / Dussin L v Erler A / Pichler D | 3-6,6-1,10-4 |
| ITF M15 Forbach MD | 2020/09/30 14:00 | Cubelic/Steinegger v Erler A / Pichler D | 3-6,4-6 |
| ITF M15 Forbach MD | 2020/09/29 15:10 | Broville/De Cuyper v Erler A / Pichler D | 2-6,6-3,5-10 |
| ITF - M15 Monastir - Doubles Hommes | 2020/09/25 12:45 | Erler A / Pichler D v Thanos A / Tsitsipas P | 6-4,3-6,9-11 |
| ITF - M15 Monastir - Doubles Hommes | 2020/09/24 14:30 | Erler A / Pichler D v Kouzmine/Stevenson | 6-2,7-6 |
| ITF - M15 Monastir - Doubles Hommes | 2020/09/22 15:00 | Erler A / Pichler D v Grigelis L / Mugevicius L | 6-4,6-2 |
| ITF - M15 Monastir - Doubles Hommes | 2020/09/19 13:30 | Erler A / Pichler D v Monzon I / Tenti F | 6-4,6-1 |
| ITF - M15 Monastir - Doubles Hommes | 2020/09/18 13:25 | Erler A / Pichler D v Echargui M / Ouakaa A | 6-3,6-3 |