| Davis Cup | 2021/06/22 09:20 | Rrezart Cungu v Daniel Ostap | 6-1,6-2 |
| ITF - M15 - Skopje | 2021/06/10 11:30 | Simone Roncalli v Rrezart Cungu | 6-0,6-3 |
| ITF - M15 - Skopje | 2021/06/10 07:30 | Rrezart Cungu v Jacopo Berrettini | 6-2,6-3 |
| ITF - M15 - Skopje | 2021/06/08 09:00 | Toby Martin v Rrezart Cungu | 6-7,6-4,5-10 |
| ITF - M15 - Skopje | 2021/06/07 11:30 | Franco Capalbo v Rrezart Cungu | 4-6,1-6 |
| ITF - M15 - Skopje | 2021/06/07 07:00 | Rrezart Cungu v Boris Butulija | 6-1,6-4 |
| ITF - M15 - Skopje | 2021/06/01 09:30 | Rrezart Cungu v Admir Kalender | 0-6,3-6 |
| ITF - M15 - Skopje | 2021/05/31 09:30 | Max Houkes v Rrezart Cungu | 6-7,3-6 |