Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Doboj | 2021/07/14 08:30 | Hamid Reza Nadaf v Andrew Fenty | 3-6,1-6 |
| ITF M15 Antalya | 2021/03/07 07:00 | Obrad Markovski v Hamid Reza Nadaf | 6-1,6-1 |
| Eastern European Championship | 2020/07/31 12:40 | Hamid Reza Nadaf v Nikola Cacic | 6-1,4-6,1-6 |
| Eastern European Championship | 2020/07/30 11:40 | Aldin Setkic v Hamid Reza Nadaf | 6-4,6-2 |
| Eastern European Championship | 2020/07/28 12:10 | Pedja Krstin v Hamid Reza Nadaf | 6-0,6-2 |
| Eastern European Championship | 2020/07/16 14:00 | Hamid Reza Nadaf v Daniil Savelev | 6-4,6-1 |
| Eastern European Championship | 2020/07/15 16:00 | Ricardas Berankis v Hamid Reza Nadaf | 6-2,6-1 |
| Eastern European Championship | 2020/07/13 12:00 | Aziz Kijametovic v Hamid Reza Nadaf | 6-7,7-6,7-5 |
| ITF M15 Novi Sad | 2021/08/01 10:45 | Michalis Sakellaridis v Aleksa Mardjonovic | 2-6,2-6 |
| ITF M15 Novi Sad | 2021/07/26 10:30 | Roman Andres Burruchaga v Aleksa Mardjonovic | 6-3,7-6 |
| ITF M15 Novi Sad | 2021/07/25 12:00 | Aleksa Mardjonovic v Berk Ilkel | 6-2,7-5 |
| UTR Pro Tennis Series Beograd | 2021/07/11 07:00 | Stefan Milicevic v Aleksa Mardjonovic | 6-4,6-2 |
| UTR Pro Tennis Series Beograd | 2021/07/10 10:00 | Petar Teodorovic v Aleksa Mardjonovic | 2-6,6-4,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/09 10:00 | Aleksa Mardjonovic v Viktor Jovic | 1-6,1-6 |
| UTR Pro Tennis Series Beograd | 2021/07/08 10:30 | Aleksa Mardjonovic v Yaraslav Shyla | 4-6,0-6 |
| UTR Pro Tennis Series Beograd | 2021/07/07 12:00 | Jean Thirouin v Aleksa Mardjonovic | 6-4,6-2 |