| Challenger de Ochsenhausen | 06/28 08:30 | - | Florian Bluhm v Dennis Klein | - | CANC | |
| Challenger de Ochsenhausen | 06/28 07:10 | - | Dauud Cheaib v Dennis Klein | - | CANC | |
| Challenger de Ochsenhausen | 06/27 17:10 | - | Damian Zech v Dennis Klein | - | CANC | |
| Challenger de Ochsenhausen | 06/27 15:10 | - | Simon Berglund v Dennis Klein | - | CANC | |
| Challenger de Ochsenhausen | 06/27 12:30 | - | Sven Happek v Dennis Klein | D | CANC | |
| Challenger de Ochsenhausen | 06/27 11:10 | - | Amir Hossein Hodaei v Dennis Klein | L | CANC | |
| Challenger de Ochsenhausen | 06/27 06:30 | - | Samuel Amann v Dennis Klein | W | CANC | |
| Challenger de Ochsenhausen | 06/24 13:30 | - | Simon Berglund v Dennis Klein | L | 3-1 | |
| Challenger de Ochsenhausen | 06/24 13:05 | - | Amirreza Abbasi v Dennis Klein | W | 1-3 | |
| Challenger de Ochsenhausen | 06/24 09:50 | - | Dennis Klein v Simon Berglund | W | 3-1 | |
| Challenger de Ochsenhausen | 06/24 06:30 | - | Dennis Klein v Mohammadali Rouintanesfahani | W | 3-1 | |
| Challenger de Ochsenhausen | 06/23 17:50 | - | Dennis Klein v Albert Vilardell | W | 3-2 |