Estadio: Court 3 Round: 1
| German Premier League | 2020/08/11 18:15 | Buvaysar Gadamauri v Jim Walder | 6-3,6-7,6-3 |
| German Masters | 2020/08/07 14:40 | Jim Walder v Benjamin Lock | 4-6,4-6 |
| German Masters | 2020/08/06 15:00 | Jim Walder v Louis Wessels | 4-6,1-6 |
| ITF M15 Loule | 2020/03/08 14:00 | Blake Ellis v Jim Walder | 3-6,6-4,10-8 |
| ITF M15 Oberhaching | 2020/02/16 10:00 | Emilien Voisin v Jim Walder | 6-4,6-2 |
| ITF M25 Nussloch | 2020/01/20 19:30 | Ryan Nijboer v Jim Walder | 6-4,6-2 |
| ITF M25 Nussloch | 2020/01/20 11:20 | Jim Walder v Karlo Cubelic | 6-3,2-6,10-5 |
| ITF M25 Nussloch | 2020/01/19 09:00 | Gasper Bezjak v Jim Walder | 4-6,2-6 |
| German Premier League | 2020/08/11 10:50 | Robert Strombachs v Yanki Erel | 1-6,2-6 |
| German Premier League | 2020/08/10 17:20 | Elmar Ejupovic v Robert Strombachs | 6-2,6-4 |
| German Premier League | 2020/08/08 09:00 | Robert Strombachs v Vladyslav Orlov | 6-1,6-4 |
| German Premier League | 2020/08/07 13:00 | Mats Rosenkranz v Robert Strombachs | 6-1,6-7,6-4 |
| German Premier League | 2020/08/06 07:30 | Flemming Peters v Robert Strombachs | 6-3,6-4 |
| German Premier League | 2020/08/05 11:00 | Albano Olivetti v Robert Strombachs | 3-6,6-4,6-4 |
| German Premier League | 2020/08/04 14:40 | Robin Haase v Robert Strombachs | 6-2,6-4 |
| German Premier League | 2020/08/03 10:00 | Mischa Zverev v Robert Strombachs | 3-6,2-6 |