Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Doboj | 2021/07/14 08:30 | Gergely Madarasz v Kristof Minarik | 7-6,7-6 |
| ITF M15 Sarajevo | 2021/06/05 10:35 | Matheus Pucinelli De Almeida v Gergely Madarasz | 7-5,6-0 |
| ITF M15 Sarajevo | 2021/06/04 09:00 | Federico Iannaccone v Gergely Madarasz | 5-7,4-6 |
| ITF M15 Sarajevo | 2021/06/03 09:00 | Gergely Madarasz v Mathieu Perchicot | 6-0,6-3 |
| ITF M15 Sarajevo | 2021/06/02 11:25 | Gergely Madarasz v Mirko Martinez | 6-2,7-6 |
| ITF M15 Prijedor | 2021/05/14 08:15 | Kristijan Juhas v Gergely Madarasz | 4-6,6-7 |
| ITF M15 Prijedor | 2021/05/11 11:55 | Gergely Madarasz v Artem Dubrivnyy | 7-6,7-6 |
| ITF M15 Sibenik | 2021/04/23 09:45 | Aldin Setkic v Gergely Madarasz | 6-3,6-1 |
| ITF M15 Doboj | 2021/07/14 11:20 | Stevan Popovic v Viktor Jovic | 4-6,2-6 |
| ITF M15 Doboj | 2021/07/13 09:45 | Viktor Jovic v Nemanja Malesevic | 0-6,6-4,10-8 |
| ITF M15 Doboj | 2021/07/12 08:00 | Viktor Jovic v Ali Habib | 6-2,0-6,10-8 |
| 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 | Jean Thirouin v Viktor Jovic | 6-2,6-4 |
| UTR Pro Tennis Series Beograd | 2021/07/07 12:00 | Stefan Latinov v Viktor Jovic | 7-5,4-6,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/05 09:00 | Yaraslav Shyla v Viktor Jovic | 3-6,6-3,4-6 |
| ITF M25 Belgrade | 2021/06/29 09:15 | Rrezart Cungu v Viktor Jovic | 6-1,6-1 |