| Challenger Series TT | 03/11 20:10 | - | Akos Kishegyi v Marco Stefanidis | W | 1-3 | |
| Challenger Series TT | 03/11 17:30 | - | Диего Лилло v Marco Stefanidis | L | 3-2 | |
| Challenger Series TT | 03/11 14:50 | - | Marco Stefanidis v Mohammed Javad Sohrabi | L | 2-3 | |
| Challenger Series TT | 03/11 11:30 | - | Marco Stefanidis v Майк Холло | L | 0-3 | |
| Challenger Series TT | 03/11 09:30 | - | Marco Stefanidis v Свен Хаппек | W | 3-0 | |
| Challenger Series TT | 11/28 11:30 | - | Marco Stefanidis v Дамиан Зеч | - | Cancelled | |
| Challenger Series TT | 11/28 08:50 | - | Marco Stefanidis v Michael Fuchs | - | Cancelled | |
| Challenger Series TT | 11/27 20:10 | - | Marco Stefanidis v Johannes Willeke | - | Cancelled | |
| Challenger Series TT | 11/27 15:30 | - | Marco Stefanidis v Kirill Fadeev | - | Cancelled | |
| Challenger Series TT | 11/27 13:30 | - | Marco Stefanidis v Армин Аличич | - | away | |
| Challenger Series TT | 11/27 10:10 | - | Альяз Годес v Marco Stefanidis | L | 3-1 | |
| Challenger Series TT | 11/27 08:10 | - | Marco Stefanidis v Michael Engelhardt | - | Cancelled | |
| Challenger Series TT | 11/27 08:10 | - | Marco Stefanidis v Лианг Цю | L | 0-3 | |
| Challenger Series TT | 09/15 09:50 | - | Marco Stefanidis v Гуиллайме Алькайде | L | 0-3 | |
| Challenger Series TT | 09/15 07:50 | - | Marco Stefanidis v Даууд Чеаиб | - | Cancelled | |
| Challenger Series TT | 09/14 17:50 | - | Marco Stefanidis v Антонин Гавлас | L | 0-3 | |
| Challenger Series TT | 09/14 14:30 | - | Marco Stefanidis v Симон Берглунд | L | 0-3 | |
| Challenger Series TT | 09/14 12:30 | - | Marco Stefanidis v Акито Итагаки | W | 3-1 | |
| Challenger Series TT | 09/14 09:10 | - | Цзин Уэда v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 09/14 07:10 | - | Marco Stefanidis v Kirill Fadeev | L | 1-3 | |
| Challenger Series TT | 08/18 09:50 | - | Marco Stefanidis v Тобиас Сланина | L | 2-3 | |
| Challenger Series TT | 08/18 06:30 | - | Marco Stefanidis v Makoto Nogami | L | 0-3 | |
| Challenger Series TT | 08/17 17:50 | - | Marco Stefanidis v Alvaro Gainza | W | 3-1 | |
| Challenger Series TT | 08/17 16:30 | - | Marco Stefanidis v Мариус Хеннингер | L | 0-3 | |
| Challenger Series TT | 08/17 11:50 | - | Marco Stefanidis v Kirill Fadeev | L | 0-3 | |
| Challenger Series TT | 08/17 09:10 | - | Marco Stefanidis v Daniel Rinderer | L | 1-3 | |
| Challenger Series TT | 08/17 06:30 | - | Marco Stefanidis v Деннис Кляйн | L | 0-3 | |
| Challenger Series TT | 08/15 08:30 | - | Marcel Neumaier v Marco Stefanidis | W | 1-3 | |
| Challenger Series TT | 08/15 08:30 | - | Marco Stefanidis v Джероми Лоффлер | - | Cancelled | |
| Challenger Series TT | 08/14 17:10 | - | Makoto Nogami v Marco Stefanidis | W | 1-3 |