| Challenger Series TT | 07/25 11:00 | 29 | Daniel Rinderer v Dennis Klein | W | 0-3 | |
| Challenger Series TT | 07/25 09:45 | 28 | Dennis Klein v Enio Mendes | W | 3-2 | |
| Challenger Series TT | 07/25 08:00 | - | Manuel Kupfer v Dennis Klein | W | 0-3 | |
| Challenger Series TT | 07/25 07:00 | - | Dennis Klein v Louis Laine Campino | W | 3-2 | |
| Challenger Series TT | 07/24 15:30 | - | Daniel Rinderer v Dennis Klein | W | 2-3 | |
| Challenger Series TT | 07/24 13:30 | - | Enio Mendes v Dennis Klein | W | 1-3 | |
| Challenger Series TT | 07/24 12:00 | - | Samuel Amann v Dennis Klein | W | 0-3 | |
| Challenger Series TT | 07/24 09:00 | - | Damian Zech v Dennis Klein | W | 1-3 | |
| Challenger Series TT | 07/24 07:00 | - | Oleksii Naplokov v Dennis Klein | L | 3-0 | |
| Challenger Series TT | 07/15 10:30 | 1 | Dennis Klein v William Koehl | W | 3-0 | |
| Challenger Series TT | 07/15 08:45 | 2 | Dennis Klein v Alexis Douin | W | 3-1 | |
| Challenger Series TT | 07/15 07:30 | - | William Koehl v Dennis Klein | W | 0-3 |