| Challenger Series TT | 2022/10/11 10:30 | Karl Zimmermann v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2022/10/11 07:50 | Karl Zimmermann v Andres Martinez | L | 1-3 |
| Challenger Series TT | 2022/10/10 19:10 | Karl Zimmermann v Patrik Juhasz | L | 0-3 |
| Challenger Series TT | 2022/10/10 14:30 | Karl Zimmermann v Carlos Muhlbach | L | 1-3 |
| Challenger Series TT | 2022/10/10 12:30 | Karl Zimmermann v Sven Happek | L | 0-3 |
| Challenger Series TT | 2022/10/10 09:10 | Florian Bluhm v Karl Zimmermann | L | 3-0 |
| Challenger Series TT | 2022/10/10 07:10 | Karl Zimmermann v Kirill Fadeev | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/01 09:00 | Valerij Rakov v Ahmed El-Mahdy | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/01 07:00 | Dennis Klein v Ahmed El-Mahdy | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/31 18:40 | Josip Huzjak v Ahmed El-Mahdy | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/31 16:40 | Ahmed El-Mahdy v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 14:00 | Ahmed El-Mahdy v Daniel Rinderer | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 11:10 | Ahmed El-Mahdy v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/31 08:30 | Harmeet Desai v Ahmed El-Mahdy | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/25 11:40 | Ahmed El-Mahdy v Christopher Ligocki | W | 3-0 |