Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/13 17:50 | Michael Engelhardt v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | W | 3-2 |
| Challenger Series TT | 2023/07/13 11:50 | Michael Engelhardt v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/07/13 09:10 | Michael Engelhardt v Benjamin Fruchart | L | 1-3 |
| Challenger Series TT | 2023/07/13 06:30 | Michael Engelhardt v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/05/23 12:50 | Michael Engelhardt v Louis Price | W | 3-1 |
| Challenger Series TT | 2023/05/23 11:25 | Albert Vilardell v Michael Engelhardt | L | 3-0 |
| Challenger Series TT | 2023/05/23 10:30 | Michael Engelhardt v Louis Price | L | 2-3 |
| Challenger Series TT | 2023/07/13 18:30 | Johannes Willeke v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/13 15:10 | Johannes Willeke v Kirill Fadeev | L | 0-3 |
| 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 |