| UTR Pro Tennis Series Zadar | 2021/11/19 11:30 | Vladan Tadic v Lawrence Bataljin | 4-6,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/18 09:00 | Alen Rogic-Hadzalic v Vladan Tadic | 6-3,3-6,5-3 |
| UTR Pro Tennis Series Zadar | 2021/11/15 13:30 | Ivan Penev v Vladan Tadic | 4-6,6-4,0-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 13:00 | Vladan Tadic v Oleksii Osadchyi | 6-0,6-1 |
| 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 Zadar | 2021/11/21 10:30 | Deni Zmak v Domagoj Biljesko | 5-7,2-5 |
| UTR Pro Tennis Series Zadar | 2021/11/20 12:24 | Domagoj Biljesko v Vladyslav Manafov | 6-7,6-2,6-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 09:00 | Drazen Petrovic v Domagoj Biljesko | 0-0 |
| UTR Pro Tennis Series Zadar | 2021/11/18 09:00 | Lawrence Bataljin v Domagoj Biljesko | 1-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 13:30 | Michalis Sakellaridis v Domagoj Biljesko | 1-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 14:30 | Petar Pjevcevic v Domagoj Biljesko | 3-6,6-4,2-6 |
| ITF M25 Skopje | 2021/09/27 10:00 | Domagoj Biljesko v Michele Vianello | 6-2,4-6,6-10 |
| ITF M15 Pirot | 2021/09/22 08:00 | Domagoj Biljesko v Calin Manda | 1-6,4-6 |