Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/06/19 17:10 | Marco Stefanidis v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2023/11/27 13:30 | Marco Stefanidis v Армин Аличич | - | away |
| Challenger Series TT | 2023/11/27 10:10 | Альяз Годес v Marco Stefanidis | L | 3-1 |
| Challenger Series TT | 2023/11/27 08:10 | Marco Stefanidis v Лианг Цю | L | 0-3 |
| Challenger Series TT | 2023/09/15 09:50 | Marco Stefanidis v Гуиллайме Алькайде | L | 0-3 |
| Challenger Series TT | 2023/09/14 17:50 | Marco Stefanidis v Антонин Гавлас | L | 0-3 |
| Challenger Series TT | 2023/09/14 14:30 | Marco Stefanidis v Симон Берглунд | L | 0-3 |
| Challenger Series TT | 2023/09/14 12:30 | Marco Stefanidis v Акито Итагаки | W | 3-1 |
| Challenger Series TT | 2023/09/14 09:10 | Цзин Уэда v Marco Stefanidis | L | 3-0 |
| Challenger Series TT | 2023/11/27 16:50 | Альяз Годес v Johannes Willeke | L | 3-0 |
| Challenger Series TT | 2023/11/27 14:50 | Johannes Willeke v Лианг Цю | L | 2-3 |
| Challenger Series TT | 2023/11/27 11:30 | Johannes Willeke v Дамиан Зеч | 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 Симон Берглунд | L | 0-3 |
| Challenger Series TT | 2023/10/30 20:50 | Johannes Willeke v Daniel Rinderer | L | 0-3 |
| Challenger Series TT | 2023/10/30 18:10 | Johannes Willeke v Сэмюэль Аманн | W | 3-1 |
| Challenger Series TT | 2023/10/30 15:30 | Майк Холло v Johannes Willeke | L | 3-1 |