| Challenger Series TT | 2023/06/22 09:10 | Tobias Slanina v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/05/08 06:30 | Tobias Slanina v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/07/03 12:30 | Tobias Slanina v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2023/07/03 09:10 | Kirill Fadeev v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/07/03 07:10 | Tobias Slanina v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/06/23 09:50 | Tobias Slanina v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/06/23 06:30 | Tobias Slanina v Ihor Zavadskyi | L | 1-3 |
| Challenger Series TT | 2023/06/22 17:50 | Tobias Slanina v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/06/22 16:30 | Tobias Slanina v Carlo Rossi | L | 0-3 |
| Challenger Series TT | 2023/06/22 11:50 | Tobias Slanina v Sven Happek | W | 3-2 |
| Challenger Series TT | 2023/07/03 11:50 | Kirill Fadeev v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2023/07/03 09:50 | Dennis Klein v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/07/03 07:50 | Dennis Klein v David Reitspies | W | 3-1 |
| Challenger Series TT | 2023/06/23 13:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/23 11:32 | Dennis Klein v Igor Zavadskij | W | 3-0 |
| Challenger Series TT | 2023/06/23 11:25 | Dennis Klein v Ihor Zavadskyi | W | 3-0 |
| Challenger Series TT | 2023/06/23 07:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/22 19:10 | Dennis Klein v Carlo Rossi | W | 3-1 |