| Challenger Banja Luka | 2021/09/06 11:40 | Nikola Milojevic v Vladan Tadic | 6-0,6-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/29 09:30 | Gal Emersic Potocnik v Vladan Tadic | 6-2,6-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/28 08:30 | Denis Parshutin v Vladan Tadic | 6-4,1-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/27 12:00 | Vladan Tadic v Volodymyr Uzhylovskyi | 5-7,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/26 10:00 | Vladan Tadic v Domen Gostincar | 4-6,6-3,6-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 10:00 | Nik Razborsek v Vladan Tadic | 1-6,4-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 07:00 | Olexiy Kolisnyk v Vladan Tadic | 6-2,3-6,2-1 |
| ITF M15 Doboj | 2021/07/15 10:30 | Andrew Fenty v Vladan Tadic | 7-6,5-7,6-3 |