| UTR Pro Tennis Series Barcelona | 2021/12/12 08:00 | Vladimir Popov v Michalis Sakellaridis | 0-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/11 08:00 | Michalis Sakellaridis v Sergio Davila Godoy | 3-6,3-0 |
| UTR Pro Tennis Series Barcelona | 2021/12/10 11:00 | Alexis Klegou v Michalis Sakellaridis | 6-2,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/09 12:30 | Thomas Laurent v Michalis Sakellaridis | 6-1,5-0 |
| UTR Pro Tennis Series Barcelona | 2021/12/07 09:00 | Jay Friend v Michalis Sakellaridis | 6-2,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/06 10:30 | Michalis Sakellaridis v Andres F Canovas | 4-6,6-4,6-2 |
| UTR Pro Tennis Series - Zadar | 2021/11/19 15:30 | Michalis Sakellaridis v Ivan Mikhaylyuk | 0-3 |
| UTR Pro Tennis Series - Zadar | 2021/11/18 09:00 | Michalis Sakellaridis v Petar Pjevcevic | 6-3,7-6 |