| ITF M15 Heraklion | 2021/11/18 08:40 | Leopold Zima v Mick Veldheer | 3-6,4-6 |
| ITF M15 Heraklion | 2021/11/17 14:10 | Leopold Zima v Alexandros Skorilas | 6-4,6-3 |
| ITF M15 Heraklion | 2021/11/16 08:30 | Marc Othman Ktiri v Leopold Zima | 5-7,3-6 |
| ITF M15 Heraklion | 2021/11/14 11:00 | Christopher Patzanovsky v Leopold Zima | 3-6,3-6 |
| ITF M25 Saint Dizier | 2021/11/03 09:00 | Tak Khunn Wang v Leopold Zima | 7-6,6-0 |
| ITF M25 Saint Dizier | 2021/11/01 15:05 | Leopold Zima v Tibo Colson | 7-5,6-2 |
| ITF M15 Selva Gardena | 2021/10/26 09:20 | Leopold Zima v Mattia Bellucci | 4-6,6-7 |
| ITF M15 Selva Gardena | 2021/10/25 10:05 | Leopold Zima v Simone Vaccari | 7-5,6-4 |
| ITF M15 Marbella | 2021/05/24 08:00 | Diego F Flores v Jim Walder | 6-4,7-5 |
| ITF M15 Marbella | 2021/05/23 08:00 | Jim Walder v Lluc Mir Anglada | 6-3,7-5 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Jim Walder v Tim Riedel | 5-7,1-6 |
| ITF M25 Meerbusch | 2021/04/12 12:00 | Jim Walder v Paul Woerner | 3-6,5-7 |
| 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 |