| Challenger Series TT | 08/14 15:10 | - | Даууд Чеаиб v Marco Stefanidis | L | 3-2 | |
| Challenger Series TT | 08/14 13:50 | - | Карлос Кабальеро v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 08/14 09:50 | - | Сэмюэль Аманн v Marco Stefanidis | W | 0-3 | |
| Challenger Series TT | 08/14 07:10 | - | Daniel Rinderer v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 08/04 09:10 | - | Marco Stefanidis v Богдан Синькевич | L | 1-3 | |
| Challenger Series TT | 08/03 19:50 | - | Marco Stefanidis v Anton Limonov | L | 0-3 | |
| Challenger Series TT | 08/03 17:10 | - | Marco Stefanidis v Карл Зиммерманн | L | 2-3 | |
| Challenger Series TT | 08/03 14:30 | - | Daniel Rinderer v Marco Stefanidis | L | 3-1 | |
| Challenger Series TT | 08/03 11:50 | - | Дамиан Зеч v Marco Stefanidis | L | 3-1 | |
| Challenger Series TT | 08/03 09:50 | - | Marco Stefanidis v Hannes Hormann | L | 2-3 | |
| Challenger Series TT | 08/03 07:50 | - | Marco Stefanidis v Цзен И Ванг | L | 1-3 | |
| Challenger Series TT | 07/21 09:50 | - | Marco Stefanidis v Amirreza Abbasi | L | 0-3 | |
| Challenger Series TT | 07/21 06:30 | - | Marco Stefanidis v Янник Востес | L | 0-3 | |
| Challenger Series TT | 07/20 17:50 | - | Marco Stefanidis v Антонин Гавлас | L | 0-3 | |
| Challenger Series TT | 07/20 16:30 | - | Marco Stefanidis v Мирослав Хорейши | L | 1-3 | |
| Challenger Series TT | 07/20 11:50 | - | Marco Stefanidis v Даууд Чеаиб | L | 0-3 | |
| Challenger Series TT | 07/20 09:10 | - | Marco Stefanidis v Дамиан Зеч | W | 3-2 | |
| Challenger Series TT | 07/20 06:30 | - | Marco Stefanidis v Джероми Лоффлер | L | 0-3 | |
| Challenger Series TT | 06/20 09:10 | - | Marco Stefanidis v Альяз Годес | W | 3-2 | |
| Challenger Series TT | 06/19 19:50 | - | Marco Stefanidis v Акито Итагаки | L | 1-3 | |
| Challenger Series TT | 06/19 17:10 | - | Marco Stefanidis v Johannes Willeke | W | 3-0 | |
| Challenger Series TT | 06/19 14:30 | - | Свен Хаппек v Marco Stefanidis | L | 3-1 | |
| Challenger Series TT | 06/19 11:50 | - | Деннис Кляйн v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 06/19 09:50 | - | Marco Stefanidis v Jose Guillot | L | 1-3 | |
| Challenger Series TT | 06/19 07:50 | - | Marco Stefanidis v Карло Росси | L | 1-3 | |
| Challenger Series TT | 06/09 08:30 | - | Kirill Fadeev v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 06/09 07:10 | - | Amirreza Abbasi v Marco Stefanidis | - | Cancelled | |
| Challenger Series TT | 06/09 07:10 | - | Антонин Гавлас v Marco Stefanidis | L | 3-0 | |
| Challenger Series TT | 06/08 17:10 | - | Тобиас Сланина v Marco Stefanidis | L | 3-1 | |
| Challenger Series TT | 06/08 15:10 | - | Джероми Лоффлер v Marco Stefanidis | L | 3-1 |