| ITF M15 Opatija | 03/19 09:00 | 19 | Aleksa Mardjonovic v Yvo Panak | 4-6,6-4,9-11 | |
| UTR Pro Beograd | 10/12 07:30 | - | Aleksa Mardjonovic v Gabriel Matuszewski | 0-3 | |
| UTR Pro Beograd | 10/11 11:47 | - | Marko Nikolic v Aleksa Mardjonovic | 7-6,2-6,7-6 | |
| UTR Pro Beograd | 10/10 10:30 | - | Illya Beloborodko v Aleksa Mardjonovic | 2-6,3-6 | |
| UTR Pro Beograd | 10/08 12:46 | - | Aleksa Mardjonovic v Obrad Markovski | 2-6,3-6 | |
| UTR Pro Beograd | 10/06 07:30 | - | Aleksa Mardjonovic v Drazen Petrovic | 4-6,6-3,2-6 | |
| UTR Pro Beograd | 10/04 06:00 | - | Enrique Bogo v Aleksa Mardjonovic | 4-6,6-3,6-4 | |
| UTR Pro Beograd | 10/03 09:33 | - | Domagoj Biljesko v Aleksa Mardjonovic | 6-0,4-6,6-2 | |
| UTR Pro Beograd | 10/02 08:01 | - | Zekai Li v Aleksa Mardjonovic | 3-6,2-6 | |
| ITF M15 Pirot | 09/05 07:30 | 44 | Aleksa Mardjonovic v Francesco Ferrari | 7-6,4-6,6-10 | |
| ITF M15 Pirot | 09/04 08:30 | 44 | Aleksa Mardjonovic v Jacques-Kai Inoue | 6-3,7-5 | |
| ITF M15 Vienna | 08/29 09:30 | 25 | Tomas Lanik v Aleksa Mardjonovic | 6-2,6-0 | |
| ITF M15 Novi Sad | 08/01 11:15 | 62 | Nicolas Bruna v Aleksa Mardjonovic | 6-1,6-2 | |
| ITF M15 Novi Sad | 08/01 07:30 | 62 | Maxim Krapivin v Aleksa Mardjonovic | 0-6,5-7 | |
| ITF M15 Novi Sad | 07/31 09:30 | 62 | Lorenzo Ferri v Aleksa Mardjonovic | 6-1,2-6,4-10 | |
| ITF M15 Belgrade | 06/29 08:40 | 26 | Andrey Chepelev v Aleksa Mardjonovic | 6-3,6-3 | |
| ITF M15 Belgrade | 06/28 08:40 | 25 | Aleksa Pisaric v Aleksa Mardjonovic | 6-4,4-6,3-6 | |
| ITF M15 Belgrade | 06/27 09:05 | 62 | Veljko Krstic v Aleksa Mardjonovic | 6-2,4-6,10-12 | |
| ITF M15 Belgrade | 06/26 10:20 | 62 | Marko Miladinovic v Aleksa Mardjonovic | 5-7,2-6 | |
| ITF M15 Belgrade | 06/25 09:30 | 62 | Joel Angel Lucero v Aleksa Mardjonovic | 4-6,1-6 | |
| ITF M15 Brcko | 05/27 11:00 | 28 | Aleksa Mardjonovic v Stefan Popovic | Walkover | |
| ITF M15 Brcko | 05/26 14:00 | 27 | Peter Benjamin Privara v Aleksa Mardjonovic | 6-1,6-7,4-6 | |
| ITF M15 Brcko | 05/25 09:15 | 26 | Alexandre Aubriot v Aleksa Mardjonovic | 2-6,3-6 | |
| ITF M15 Brcko | 05/24 07:30 | 25 | Aleksa Mardjonovic v Aldin Setkic | 2-6,7-6,7-5 | |
| ITF M15 Brcko | 05/23 07:30 | 44 | Aleksa Mardjonovic v Nazar Oliynykov | Retired | |
| ITF M15 Brcko | 05/22 09:30 | 44 | Zak Talic v Aleksa Mardjonovic | 4-6,1-6 | |
| ITF M15 Osijek | 04/30 14:00 | 62 | Federico Mirgone v Aleksa Mardjonovic | 6-3,2-6,10-5 | |
| UTR Pro Beograd | 04/23 06:00 | - | Maxime Hamou v Aleksa Mardjonovic | 3-6,6-3,6-6 | |
| UTR Pro Beograd | 04/22 07:30 | - | Aleksa Mardjonovic v Radomir Tomic | 6-2,6-2 | |
| UTR Pro Beograd | 04/20 08:40 | - | Aleksa Mardjonovic v Hugo Pierre | 6-2,7-5 |