| Challenger Ochsenhausen | 2021/08/09 09:10 | Daniel Rinderer v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 07:50 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/25 12:35 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2021/05/24 06:30 | Daniel Rinderer v Dennis Klein | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/19 07:50 | Dennis Klein v Daniel Rinderer | L | 3-1 |
| Challenger Ochsenhausen | 2022/02/25 10:50 | Daniel Rinderer v Alexander Valuch | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/25 09:45 | Daniel Rinderer v Dillon Chambers | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/25 08:10 | Alexander Valuch v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2022/02/24 18:10 | Amirreza Abbasi v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2022/02/24 16:10 | Josip Huzjak v Daniel Rinderer | W | 0-3 |
| Challenger Series TT | 2022/02/24 13:30 | Matteo Mutti v Daniel Rinderer | L | 3-1 |
| Challenger Series TT | 2022/02/24 12:10 | Dillon Chambers v Daniel Rinderer | W | 1-3 |
| Challenger Series TT | 2022/02/24 07:30 | Sven Happek v Daniel Rinderer | W | 1-3 |
| Challenger Ochsenhausen | 2021/12/14 15:00 | Florian Bluhm v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/12/14 14:15 | Maciej Kubik v Dennis Klein | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/14 12:40 | Dennis Klein v Christopher Ligocki | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/14 10:00 | Dennis Klein v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/12/13 21:00 | Dennis Klein v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/13 16:20 | Dennis Klein v Maciej Kubik | L | 1-3 |
| Challenger Ochsenhausen | 2021/12/13 13:30 | Dennis Klein v Florian Bluhm | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/13 10:10 | Kenan Hrnic v Dennis Klein | W | 1-3 |