| UTR Pro Beograd | 10/04 10:45 | 28 | Matic Dimic v Aleksa Oparnica | 6-3,6-7,6-4 | |
| UTR Pro Beograd | 10/03 08:20 | - | Tadija Radovanovic v Aleksa Oparnica | 0-6,6-2,3-6 | |
| UTR Pro Beograd | 10/02 08:45 | - | Aleksandar Mihailovic v Aleksa Oparnica | 6-2,6-4 | |
| UTR Pro Beograd | 09/30 11:50 | - | Anton Arzhankin v Aleksa Oparnica | 6-1,6-4 | |
| UTR Pro Beograd | 09/29 10:25 | - | Aleksa Oparnica v Boris Butulija | 2-6,2-6 | |
| ITF M15 Kursumlijska Banja | 06/24 11:42 | - | Aleksa Oparnica v Simeon Stankovic | 6-4,3-6,0-6 |