| 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 Portoroz | 2021/08/26 10:00 | Vladan Tadic v Domen Gostincar | 4-6,6-3,6-3 |
| 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 | Lawrence Bataljin v Petar Pjevcevic | 1-6,6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/14 13:00 | Michalis Sakellaridis v Lawrence Bataljin | 6-7,3-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 09:00 | Lawrence Bataljin v Edison Ambarzumjan | 3-6,6-2,1-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 09:00 | Jip Van Assendelft v Lawrence Bataljin | 7-6,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 12:00 | Miko Wassermann v Lawrence Bataljin | 6-1,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 10:30 | Guy Den Heijer v Lawrence Bataljin | 6-0,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/01 13:30 | Johann Willems v Lawrence Bataljin | 6-1,5-1 |