Estádio: Court 03 Round: 62 Ground: Clay
| ITF - M25 Bolzano | 2021/08/02 07:05 | Augusto Virgili v Leonardo Rossi | 6-4,3-6,10-8 |
| ITF - M25 Ajaccio | 2021/07/04 15:30 | Clement Chidekh v Leonardo Rossi | 6-3,6-2 |
| ITF - M15 Cairo | 2021/04/25 12:30 | Leonardo Rossi v Olexiy Kolisnyk | 5-7,6-1,2-10 |
| ITF - M15 Cairo | 2021/04/19 09:30 | Leonardo Rossi v Benedikt Henning | 6-7,4-6 |
| ITF - M15 Cairo | 2021/04/12 08:30 | Jorge Martinez Martinez v Leonardo Rossi | 6-3,6-3 |
| ITF - M15 Cairo | 2021/04/11 09:00 | Leonardo Rossi v Benedikt Henning | 7-6,7-6 |
| ITF - M15 Opatija | 2021/03/22 12:30 | Aleksandre Bakshi v Leonardo Rossi | 6-2,6-2 |
| ITF - M15 Opatija | 2021/03/21 11:00 | Leonardo Rossi v Paolo Dagnino | 6-4,6-3 |
| 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 |
| ITF - M25 Kottingbrunn | 2021/07/18 07:30 | Toby Martin v Michalis Sakellaridis | 6-1,6-2 |
| UTR Pro Tennis Series - Belgrado | 2021/07/11 10:00 | Michalis Sakellaridis v Stefan Latinov | 1-6,2-6 |
| UTR Pro Tennis Series - Belgrado | 2021/07/10 13:00 | Michalis Sakellaridis v Aleksei Khomich | 6-4,0-0 |
| UTR Pro Tennis Series - Belgrado | 2021/07/09 07:30 | Dusan Obradovic v Michalis Sakellaridis | 6-4,5-4 |
| UTR Pro Tennis Series - Belgrado | 2021/07/08 09:00 | Constant De La Bassetiere v Michalis Sakellaridis | 6-2,5-4 |