| UTR Pro Tennis Series Ricany | 2021/09/06 12:00 | Jan Satral v Michalis Sakellaridis | 6-2,6-2 |
| ITF M15 - Bad Waltersdorf | 2021/08/30 09:00 | Alberto Morolli v Michalis Sakellaridis | 6-3,6-3 |
| ITF M15 - Bad Waltersdorf | 2021/08/29 09:00 | Alan Gleeson v Michalis Sakellaridis | 3-6,6-7 |
| ITF M15 - Bad Waltersdorf | 2021/08/23 07:00 | Michalis Sakellaridis v Fletcher Scott | 1-6,1-6 |
| ITF M15 - Warmbad-Villach | 2021/08/16 12:30 | Leonardo Rossi v Michalis Sakellaridis | 7-6,6-4 |
| ITF M15 - Warmbad-Villach | 2021/08/15 15:30 | Michalis Sakellaridis v Francisco Vittar | 7-6,4-6,13-11 |
| ITF M15 - Novi Sad | 2021/08/01 10:45 | Michalis Sakellaridis v Aleksa Mardjonovic | 2-6,2-6 |
| ITF M15 - Novi Sad | 2021/07/25 09:30 | Nemanja Malesevic v Michalis Sakellaridis | 2-6,6-4,10-3 |
| UTR Pro Tennis Series - Portoroz | 2021/08/28 07:00 | Yanais Laurent v Gal Emersic Potocnik | 3-6,1-5 |
| UTR Pro Tennis Series - Portoroz | 2021/08/27 13:30 | Yanais Laurent v George Botezan | 6-4,6-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/26 14:00 | Yanais Laurent v Dusan Trunic | 6-1,6-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/26 08:30 | Oleksandr Bielinskyi v Yanais Laurent | 0-0 |
| UTR Pro Tennis Series - Portoroz | 2021/08/18 12:30 | Yanais Laurent v Colin Sinclair | 5-7,5-7 |
| UTR Pro Tennis Series - Portoroz | 2021/08/17 11:00 | Yanais Laurent v Aleksa Pisaric | 6-4,5-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/16 11:00 | Yanais Laurent v Jan Vehovec | 6-2,6-4 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/18 06:00 | Aleksandr Braynin v Yanais Laurent | 6-3,5-0 |