Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/11/28 09:30 | Kirill Fadeev v Johannes Willeke | L | 3-1 |
| Challenger Series TT | 2023/11/28 08:10 | Johannes Willeke v Armin Alicic | L | 1-3 |
| Challenger Series TT | 2023/11/27 16:50 | Aljaz Godec v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2023/11/27 14:50 | Johannes Willeke v Liang Qiu | L | 2-3 |
| Challenger Series TT | 2023/11/27 11:30 | Johannes Willeke v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/11/27 09:30 | Johannes Willeke v Michael Fuchs | L | 0-3 |
| Challenger Series TT | 2023/10/31 10:10 | Johannes Willeke v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/30 20:50 | Johannes Willeke v Daniel Rinderer | L | 0-3 |