| Challenger - Ochsenhausen | 2021/01/25 13:30 | Dauud Cheaib v Florian Bluhm | W | 3-0 |
| Challenger - Ochsenhausen | 2021/01/25 10:10 | Liang Qiu v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/01/25 08:10 | Dauud Cheaib v Juan Perez | W | 3-2 |
| Challenger - Ochsenhausen | 2021/01/19 12:15 | Dauud Cheaib v Fedor Kuzmin | L | 1-3 |
| Challenger - Ochsenhausen | 2021/01/19 11:20 | Juan Perez v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/01/19 08:00 | Evgueni Chtchetinine v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/01/18 19:00 | Dauud Cheaib v Nicolas Burgos | L | 2-3 |
| Challenger - Ochsenhausen | 2021/01/18 17:00 | Dauud Cheaib v Jonathan Thimon | W | 3-0 |
| Challenger - Ochsenhausen | 2021/01/25 12:50 | Liang Qiu v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/01/25 10:50 | Dennis Klein v Juan Perez | W | 3-2 |
| Challenger - Ochsenhausen | 2021/01/25 08:50 | Dennis Klein v Francisco Sanchi | W | 3-0 |
| Düsseldorf Masters | 2020/07/10 15:30 | Nils Hohmeier v Dennis Klein | L | 4-1 |
| Open da Polónia | 2020/03/11 13:00 | Dennis Klein v Marco Golla | W | 3-0 |
| Open da Alemanha | 2020/01/28 09:15 | Dennis Klein v Daniel Gonzalez | W | 4-1 |
| Open da Alemanha | 2019/10/08 11:00 | Wang-Wei Peng v Dennis Klein | L | 4-1 |
| Serbia Open | 2019/05/02 09:35 | Dennis Klein v Jakub Zelinka | W | 3-1 |