Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/22 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/05/08 11:50 | Tobias Slanina v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/04/24 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/04/20 09:10 | Tobias Slanina v Sven Happek | L | 1-3 |
| Challenger Series TT | 2022/10/24 11:50 | Sven Happek v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2024/01/08 10:10 | Tobias Slanina v Jeromy Loffler | L | 1-3 |
| Challenger Series TT | 2024/01/08 07:30 | Tobias Slanina v Hannes Hormann | L | 1-3 |
| Challenger Series TT | 2023/09/08 10:30 | Tobias Slanina v Corentin Mazaud | L | 0-3 |
| Challenger Series TT | 2023/09/08 07:50 | Tobias Slanina v Oliver Both | L | 0-3 |
| Challenger Series TT | 2023/09/07 19:10 | Tobias Slanina v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/09/07 14:30 | Tobias Slanina v Rafael Turrini | L | 0-3 |
| Challenger Series TT | 2023/09/07 12:30 | Tobias Slanina v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/09/07 09:10 | Dennis Klein v Tobias Slanina | L | 3-1 |
| 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 | 2023/12/07 10:50 | Miguel Nunez v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/12/07 08:10 | Samuel Amann v Sven Happek | W | 0-3 |