| UTR Pro Tennis Series Zadar | 2021/10/03 09:30 | Deni Zmak v Alen Rogic-Hadzalic | 6-4,7-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 10:00 | Janos Fekete v Alen Rogic-Hadzalic | 6-0,2-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/10/01 11:00 | Myroslav Bondar v Alen Rogic-Hadzalic | 1-6,1-5 |
| UTR Pro Tennis Series Zadar | 2021/09/30 08:00 | Admir Kalender v Alen Rogic-Hadzalic | 2-6,6-4,5-6 |
| UTR Pro Tennis Series Zadar | 2021/09/28 08:00 | Borna Devald v Alen Rogic-Hadzalic | 3-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/09/27 15:30 | Alen Rogic-Hadzalic v Jose A R Rodriguez | 7-5,5-3 |
| ITF M15 Bad Waltersdorf | 2021/09/01 09:45 | Alen Rogic-Hadzalic v Lukas Neumayer | 6-7,0-6 |
| ITF M15 Bad Waltersdorf | 2021/08/31 08:20 | Alen Rogic-Hadzalic v Niklas Waldner | 1-6,6-1,10-3 |
| ITF M15 Sozopol | 2021/10/11 09:00 | Ivan Penev v Berk Ilkel | 6-7,6-1,8-10 |
| ITF M15 Sozopol | 2021/10/10 09:00 | Ivan Penev v Gianluca Coloma-Heck | 6-1,6-3 |
| ITF M15 Sozopol | 2021/10/04 07:00 | Yann Wojcik v Ivan Penev | 3-6,7-5,10-2 |
| ITF M15 Sozopol | 2021/09/13 10:30 | Tommaso Compagnucci v Ivan Penev | 6-2,6-3 |
| ITF M15 Sozopol | 2021/09/12 10:00 | Radu F Macovei v Ivan Penev | 4-6,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 11:00 | Samuil Konov v Ivan Penev | 4-6,6-1,6-0 |
| UTR Pro Tennis Series Sofia | 2021/08/31 06:30 | Martin Dimitrov v Ivan Penev | 1-6,6-3,6-3 |
| UTR Pro Tennis Series Sofia | 2021/08/30 11:15 | Matias Zukas v Ivan Penev | 7-5,6-3 |