| Qatar Open – SP | 2018/03/20 09:40 | Dennis Klein v Thibaut Darcis | W | 3-0 |
| Qatar Open – SP | 2018/03/09 12:30 | Darko Jorgic v Dennis Klein | L | 4-1 |
| Qatar Open – SP | 2018/03/08 14:50 | Dennis Klein v Helshan Weerasinghe | W | 4-1 |
| Qatar Open – SP | 2017/11/24 08:30 | Dennis Klein v Miguel Vilchez | W | 3-1 |
| Qatar Open – SP | 2017/11/23 08:53 | Dennis Klein v Jeet Chandra | W | 3-1 |
| Qatar Open – SP | 2017/11/22 15:25 | Dennis Klein v Daniel Palacios | W | 3-1 |
| Qatar Open – SP | 2017/11/03 08:35 | Shunsuke Togami v Dennis Klein | L | 3-2 |
| Qatar Open – SP | 2017/11/02 10:20 | Dennis Klein v Sadi Ismailov | W | 3-2 |
| Qatar Open – SP | 2018/04/02 13:15 | Remi Menand v Jakub Zelinka | L | 3-0 |