| UTR Pro Tennis Series Zadar | 2021/11/20 10:30 | Zmak, Deni v Rogic Hadzalic, Alen | 4-6,6-3,5-1 |
| UTR Pro Tennis Series Zadar | 2021/11/19 10:30 | Rogic Hadzalic, Alen v Jerko Brkic | 7-6,5-1 |
| UTR Pro Tennis Series Zadar | 2021/11/18 09:00 | Rogic Hadzalic, Alen v Tadic, Vladan | 6-3,3-6,5-3 |
| UTR Pro Tennis Series Zadar | 2021/11/15 15:00 | Rogic Hadzalic, Alen v Oleksii Osadchyi | 6-0,5-1 |
| UTR Pro Tennis Series Zadar | 2021/11/14 12:00 | Rogic Hadzalic, Alen v Penev, Ivan | 6-3,4-6,6-2 |
| UTR Pro Tennis Series Zadar | 2021/10/03 09:30 | Zmak, Deni v Rogic Hadzalic, Alen | 6-4,7-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 10:00 | Janos Fekete v Rogic Hadzalic, Alen | 6-0,2-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/10/01 11:00 | Myroslav Bondar v Rogic Hadzalic, Alen | 1-6,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/05 11:00 | Kolisnyk, Olexiy v Ignat, Dragos Constantin | 6-7,6-3,4-1 |
| UTR Pro Tennis Series Bucharest | 2021/12/04 09:30 | Kolisnyk, Olexiy v Uzhylovsky, Vladimir | 6-4,3-6,5-3 |
| UTR Pro Tennis Series Bucharest | 2021/12/03 09:30 | Kolisnyk, Olexiy v Frunza, Nicolae | 7-5,3-6,4-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/02 09:30 | Kolisnyk, Olexiy v Ioan Alexandru Chirita | 4-6,5-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 14:00 | Stefan A Andreescu v Kolisnyk, Olexiy | 6-2,2-6,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/11/30 14:50 | Antonescu, Vasile v Kolisnyk, Olexiy | 7-6,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/20 14:46 | Kolisnyk, Olexiy v Egor Matvievici | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 15:03 | Kolisnyk, Olexiy v Vladimir Popov | 6-0,6-4 |