Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | L | 3-2 |
| Challenger Series TT | 2024/01/11 10:10 | Marius Henninger v Tobias Slanina | W | 2-3 |
| Challenger Series TT | 2024/01/11 08:10 | Tobias Slanina v Damian Zech | L | 2-3 |
| Challenger Series TT | 2024/01/09 10:50 | Tobias Slanina v Bohdan Sinkevych | W | 3-0 |
| Challenger Series TT | 2024/01/09 07:30 | Tobias Slanina v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2024/01/08 18:50 | Tobias Slanina v Takumi Kageyama | L | 2-3 |
| Challenger Series TT | 2024/01/08 17:30 | Tobias Slanina v Reda Nemras | W | 3-2 |
| Challenger Series TT | 2024/01/08 12:50 | Tobias Slanina v Sven Happek | W | 3-0 |
| Challenger Series TT | 2024/01/08 10:10 | Tobias Slanina v Jeromy Loffler | L | 1-3 |
| Challenger Series TT | 2024/01/11 12:10 | Tom Colvin v Michael Engelhardt | W | 0-3 |
| Challenger Series TT | 2024/01/11 07:30 | Marius Henninger v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/07/18 10:30 | Michael Engelhardt v Amirreza Abbasi | L | 0-3 |
| Challenger Series TT | 2023/07/18 07:50 | Michael Engelhardt v Miroslav Horejsi | L | 0-3 |
| Challenger Series TT | 2023/07/17 19:10 | Michael Engelhardt v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/17 14:30 | Michael Engelhardt v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/07/17 12:30 | Michael Engelhardt v Daniel Rinderer | L | 2-3 |
| Challenger Series TT | 2023/07/17 09:10 | Hannes Hormann v Michael Engelhardt | L | 3-1 |