| Challenger - Ochsenhausen | 2021/12/14 10:00 | Dennis Klein v Dauud Cheaib | W | 1-3 |
| Challenger - Ochsenhausen | 2021/12/03 14:30 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger - Ochsenhausen | 2021/12/02 10:50 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger - Ochsenhausen | 2021/11/16 14:15 | Dauud Cheaib v Dennis Klein | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | W | 3-1 |
| Challenger - Ochsenhausen | 2021/08/30 18:40 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger - Ochsenhausen | 2021/08/10 14:40 | Dennis Klein v Dauud Cheaib | L | 3-2 |
| Challenger - Ochsenhausen | 2021/08/09 07:10 | Dennis Klein v Dauud Cheaib | L | 3-2 |
| Challenger - Ochsenhausen | 2022/06/27 17:10 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2022/06/27 15:10 | Samuel Amann v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2022/06/27 13:10 | Dauud Cheaib v Florian Bluhm | W | 3-0 |
| Challenger - Ochsenhausen | 2022/06/27 10:30 | Dauud Cheaib v Simon Berglund | W | 3-2 |
| Challenger - Ochsenhausen | 2022/06/27 08:30 | Dauud Cheaib v Amir Hossein Hodaei | L | 0-3 |
| Challenger - Ochsenhausen | 2022/06/14 11:30 | Dauud Cheaib v Sudhanshu Grover | W | 3-0 |
| Challenger Series TT | 2022/06/14 10:05 | Dauud Cheaib v Felix Wetzel | L | 0-3 |
| Challenger Series TT | 2022/06/14 07:10 | Michael Engelhardt v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2022/06/24 13:30 | Simon Berglund v Dennis Klein | L | 3-1 |
| Challenger - Ochsenhausen | 2022/06/24 13:05 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2022/06/24 09:50 | Dennis Klein v Simon Berglund | W | 3-1 |
| Challenger - Ochsenhausen | 2022/06/24 06:30 | Dennis Klein v Mohammadali Rouintanesfahani | W | 3-1 |
| Challenger - Ochsenhausen | 2022/06/23 17:50 | Dennis Klein v Albert Vilardell | W | 3-2 |
| Challenger - Ochsenhausen | 2022/06/23 16:30 | Dennis Klein v Josip Huzjak | W | 3-0 |
| Challenger - Ochsenhausen | 2022/06/23 11:50 | Dennis Klein v Amirreza Abbasi | L | 1-3 |
| Challenger - Ochsenhausen | 2022/06/23 09:10 | Dennis Klein v Daniel Rinderer | L | 0-3 |