Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/11/13 10:10 | Dennis Klein v Alexander Valuch | W | 3-0 |
| Challenger Ochsenhausen | 2021/12/01 10:50 | Dennis Klein v Alexander Valuch | W | 3-1 |
| Challenger Ochsenhausen | 2021/10/11 09:10 | Alexander Valuch v Dennis Klein | L | 3-1 |
| Challenger Ochsenhausen | 2021/07/15 07:50 | Alexander Valuch v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/06/29 08:20 | Alexander Valuch v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/12/11 07:30 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/14 14:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/11/14 12:25 | Dennis Klein v Martin Baechler | W | 3-0 |
| Challenger Series TT | 2023/11/14 10:50 | Dennis Klein v Liang Qiu | W | 3-0 |
| Challenger Series TT | 2023/11/14 07:30 | Dennis Klein v Martin Baechler | W | 3-0 |
| Challenger Series TT | 2023/11/13 18:50 | Dennis Klein v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/11/13 17:30 | Dennis Klein v Vidit Desai | W | 3-0 |
| Challenger Series TT | 2023/11/13 12:50 | Dennis Klein v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/12/11 08:10 | Alexander Valuch v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/12/08 13:50 | Alexander Valuch v Miguel Nunez | L | 1-3 |
| Challenger Series TT | 2023/12/08 11:45 | Alexander Valuch v Alvaro Gainza | W | 3-2 |
| Challenger Series TT | 2023/12/08 09:30 | Miguel Nunez v Alexander Valuch | W | 2-3 |
| Challenger Series TT | 2023/12/08 08:10 | Alexander Valuch v Max Klink | W | 3-0 |
| Challenger Series TT | 2023/12/07 17:30 | Samuel Amann v Alexander Valuch | W | 1-3 |
| Challenger Series TT | 2023/12/07 15:30 | Mike Hollo v Alexander Valuch | W | 0-3 |
| Challenger Series TT | 2023/12/07 13:30 | Alexander Valuch v Sven Happek | W | 3-0 |