Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/22 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/06/22 09:10 | Tobias Slanina v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/06/22 06:30 | Tobias Slanina v Johannes Willeke | W | 3-2 |
| Challenger Series TT | 2023/06/09 09:10 | Tobias Slanina v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/06/08 19:50 | Tobias Slanina v Akito Itagaki | L | 0-3 |
| Challenger Series TT | 2023/06/08 17:10 | Tobias Slanina v Marco Stefanidis | W | 3-1 |
| Challenger Series TT | 2023/06/08 14:30 | Florian Bluhm v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/06/08 11:50 | Max Klink v Tobias Slanina | W | 1-3 |
| Challenger Series TT | 2023/06/22 13:50 | Carlo Rossi v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/06/22 10:30 | Carlo Rossi v Ihor Zavadskyi | W | 3-1 |
| Challenger Series TT | 2023/06/22 08:30 | Dauud Cheaib v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/20 13:30 | Dennis Klein v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/20 12:05 | Carlo Rossi v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/06/20 10:30 | Sven Happek v Carlo Rossi | L | 3-1 |
| Challenger Series TT | 2023/06/20 06:30 | Dennis Klein v Carlo Rossi | W | 0-3 |
| Challenger Series TT | 2023/06/19 18:30 | Carlo Rossi v Jose Guillot | L | 2-3 |