Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/10/24 16:30 | Sven Happek v Norbert Tauler | W | 1-3 |
| Challenger Series TT | 2023/06/15 06:30 | Norbert Tauler v Jose Guillot | W | 3-1 |
| Challenger Series TT | 2023/05/16 10:40 | Akos Kishegyi v Norbert Tauler | W | 1-3 |
| Challenger Series TT | 2023/05/16 07:40 | Marius Henninger v Norbert Tauler | W | 2-3 |
| Challenger Series TT | 2023/05/16 06:10 | Norbert Tauler v David Molnar | L | 2-3 |
| Challenger Series TT | 2023/05/15 15:10 | Norbert Tauler v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/05/15 13:10 | Dauud Cheaib v Norbert Tauler | L | 3-1 |
| Challenger Series TT | 2023/05/15 10:30 | Yannick Vostes v Norbert Tauler | L | 3-1 |
| Challenger Series TT | 2023/05/15 07:50 | Miguel Nunez v Norbert Tauler | L | 3-1 |
| Challenger Series TT | 2023/06/15 07:10 | Sven Happek v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/05/23 09:10 | Sven Happek v Albert Vilardell | L | 1-3 |
| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | L | 0-3 |
| Challenger Series TT | 2023/05/22 17:10 | Sven Happek v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/05/22 14:30 | Michael Engelhardt v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/05/22 11:50 | Jeromy Loffler v Sven Happek | W | 0-3 |
| Challenger Series TT | 2023/05/22 09:50 | Sven Happek v Damian Zech | L | 0-3 |
| Challenger Series TT | 2023/05/22 07:50 | Sven Happek v Louis Price | W | 3-2 |