Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Sibenik | 2021/04/19 10:55 | Alen Rogic-Hadzalic v Jan Kupcic | 7-5,6-3 |
| ITF M15 Sibenik | 2021/04/18 13:00 | Alen Rogic-Hadzalic v Milan Radojkovic | 6-4,7-5 |
| ITF M15 Opatija | 2021/03/21 13:00 | Samo Polakovic v Alen Rogic-Hadzalic | 6-3,2-6,13-11 |
| ITF M15 Rovinj | 2021/03/15 11:30 | Deni Zmak v Alen Rogic-Hadzalic | 6-3,7-6 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Alen Rogic-Hadzalic v Aleksandre Bakshi | 6-4,6-2 |
| ITF M15 Porec | 2021/03/07 14:30 | Zvonimir Oreskovic v Alen Rogic-Hadzalic | 3-6,2-6 |
| Adriatic Tennis Series | 2020/06/15 15:30 | Alen Rogic-Hadzalic v Nikola Mektic | 6-7,1-6 |
| ITF M15 Porec | 2020/03/08 10:55 | Duje Kekez v Alen Rogic-Hadzalic | 7-5,6-2 |
| ITF M15 Sibenik | 2021/04/19 12:15 | Ondrej Horak v Boris Butulija | 6-2,7-6 |
| ITF M15 Sharm El Sheikh | 2021/03/24 11:20 | Ondrej Horak v Paul Jubb | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/03/15 07:30 | Niels Visker v Ondrej Horak | 6-7,7-6,13-11 |