Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/10/05 12:30 | Sven Happek v Hannes Hormann | W | 3-1 |
| Challenger Series TT | 2024/01/08 15:30 | Jeromy Loffler v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/01/08 12:50 | Tobias Slanina v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/01/08 10:50 | Sven Happek v Bohdan Sinkevych | W | 3-2 |
| Challenger Series TT | 2024/01/08 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/12/08 10:10 | Mike Hollo v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/12/08 08:50 | Sven Happek v Max Klink | W | 3-1 |
| Challenger Series TT | 2023/12/07 16:50 | Alvaro Gainza v Sven Happek | W | 2-3 |
| Challenger Series TT | 2023/12/07 13:30 | Alexander Valuch v Sven Happek | L | 3-0 |
| Challenger Series TT | 2024/01/08 16:10 | Dauud Cheaib v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2024/01/08 13:30 | Jeromy Loffler v Hannes Hormann | W | 1-3 |
| Challenger Series TT | 2024/01/08 12:10 | Takumi Kageyama v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2024/01/08 07:30 | Tobias Slanina v Hannes Hormann | W | 1-3 |
| Challenger Series TT | 2023/10/06 07:10 | Sushmit Sriram v Hannes Hormann | L | 3-2 |
| Challenger Series TT | 2023/10/05 17:10 | Akito Itagaki v Hannes Hormann | L | 3-1 |
| Challenger Series TT | 2023/10/05 15:10 | Guillaume Alcayde v Hannes Hormann | L | 3-0 |
| Challenger Series TT | 2023/10/05 12:30 | Sven Happek v Hannes Hormann | L | 3-1 |