Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/13 13:10 | Makoto Nogami v Johannes Willeke | W | 1-3 |
| Challenger Series TT | 2023/07/13 10:30 | Tobias Slanina v Johannes Willeke | L | 3-1 |
| Challenger Series TT | 2023/07/13 07:50 | Dauud Cheaib v Johannes Willeke | L | 3-1 |
| Challenger Series TT | 2023/07/11 09:50 | Johannes Willeke v Benjamin Fruchart | L | 0-3 |
| Challenger Series TT | 2023/07/11 06:30 | Johannes Willeke v Akos Kishegyi | L | 2-3 |
| Challenger Series TT | 2023/07/10 17:50 | Johannes Willeke v Kestutis Zeimys | L | 2-3 |
| Challenger Series TT | 2023/07/10 16:30 | Johannes Willeke v Armin Alicic | L | 0-3 |
| Challenger Series TT | 2023/07/10 11:50 | Johannes Willeke v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/07/13 12:30 | Benjamin Fruchart v Kirill Fadeev | L | 3-2 |
| Challenger Series TT | 2023/07/13 11:10 | Makoto Nogami v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2023/07/13 06:30 | Michael Engelhardt v Kirill Fadeev | W | 1-3 |
| Challenger Series TT | 2023/07/04 12:50 | Kirill Fadeev v David Reitspies | L | 2-3 |
| Challenger Series TT | 2023/07/04 11:25 | Kirill Fadeev v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/07/04 09:50 | Kirill Fadeev v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/07/04 06:30 | Kirill Fadeev v David Reitspies | L | 1-3 |
| Challenger Series TT | 2023/07/03 17:50 | Kirill Fadeev v Benjamin Fruchart | W | 3-1 |