Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/10/24 16:30 | Sven Happek v Norbert Tauler | L | 1-3 |
| Challenger Series TT | 2023/01/24 09:30 | Sven Happek v Martin Andersen | W | 3-1 |
| Challenger Series TT | 2023/01/24 07:30 | Sven Happek v Enio Mendes | L | 0-3 |
| Challenger Series TT | 2023/01/23 17:30 | Sven Happek v Enzo Angles | L | 1-3 |
| Challenger Series TT | 2023/01/23 16:50 | Sven Happek v Tibor Spanik | L | 0-3 |
| Challenger Series TT | 2023/01/23 12:50 | Sven Happek v Yannick Vostes | L | 0-3 |
| Challenger Series TT | 2023/01/23 10:10 | Sven Happek v Kestutis Zeimys | L | 0-3 |
| Challenger Series TT | 2023/01/23 07:30 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/01/13 14:30 | Bohdan Sinkevych v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/02/23 17:30 | Florian Bluhm v Norbert Tauler | L | 3-0 |
| Challenger Series TT | 2023/02/23 14:50 | Norbert Tauler v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/02/23 11:30 | Norbert Tauler v Rafael Turrini | L | 2-3 |
| Challenger Series TT | 2023/02/23 09:30 | Norbert Tauler v Salim Karam | W | 3-0 |
| Challenger Series TT | 2023/02/21 13:10 | Norbert Tauler v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/02/21 11:45 | David Reitspies v Norbert Tauler | L | 3-1 |
| Challenger Series TT | 2023/02/21 10:50 | Norbert Tauler v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/02/21 08:50 | Norbert Tauler v David Reitspies | L | 0-3 |