Stadium: Court 5 Round: 62 Ground: Clay
| ITF M25 Meerbusch | 2021/04/12 07:30 | Jimmy Yang v Jim Walder | 2-6,3-6 |
| ITF M15 Antalya | 2021/03/14 07:00 | Jim Walder v Ivan Zaytsev | 4-6,2-6 |
| ITF M15 Antalya | 2021/03/07 07:00 | Jim Walder v Federico Campana | 6-1,2-6,13-15 |
| ITF M15 Antalya | 2021/02/28 11:00 | Radu Mihai Papoe v Jim Walder | 6-2,6-4 |
| ITF M15 Antalya | 2021/02/02 07:00 | Oleksii Krutykh v Jim Walder | 4-6,6-3,10-5 |
| ITF M15 Antalya | 2021/01/31 10:00 | Osmancan Soyler v Jim Walder | 3-6,3-6 |
| German Championship | 2020/12/08 15:00 | Jim Walder v Benjamin Hassan | 2-6,6-7 |
| German Championship | 2020/12/07 15:00 | Neo Niedner v Jim Walder | 2-6,6-4,6-7 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Tristan Reiff v Paul Woerner | 3-6,1-6 |
| ITF M15 Antalya | 2021/03/31 07:00 | Paul Woerner v Michel Vernier | 6-7,6-7 |
| ITF M15 Antalya | 2021/03/30 07:00 | Paul Woerner v Deney Wassermann | 6-1,6-4 |
| ITF M15 Antalya | 2021/03/29 07:00 | Paul Woerner v Andrea Borroni | 6-1,6-0 |
| ITF M15 Antalya | 2021/03/28 06:30 | Paul Woerner v Mario Mansilla Diez | 2-6,6-2,11-9 |
| ITF M15 Antalya | 2021/03/25 06:50 | Paul Woerner v Fabian Marozsan | 1-6,4-6 |
| ITF M15 Antalya | 2021/03/24 06:30 | Paul Woerner v Marlon Vankan | 6-4,6-2 |
| ITF M15 Antalya | 2021/03/22 07:00 | Paul Woerner v Dominique Graf | 6-3,6-1 |