Stadium: Eden 10 Round: 62 Ground: Clay
| Adriatic Tennis Series | 2020/06/16 10:00 | Danilo Petrovic v Deni Zmak | 6-2,6-4 |
| Adriatic Tennis Series | 2020/06/15 09:30 | Marino Jakic v Deni Zmak | 2-6,4-5 |
| ITF M15 Porec | 2020/03/11 09:00 | Juan Pablo Paz v Deni Zmak | 6-2,3-6,7-6 |
| ITF M15 Porec | 2020/03/10 09:00 | Oleksandr Ovcharenko v Deni Zmak | 7-6,2-6,10-12 |
| ITF M15 Porec | 2020/03/09 12:25 | Luka Mrsic v Deni Zmak | 1-6,2-6 |
| ITF M15 Porec | 2020/03/08 14:20 | Deni Zmak v Domagoj Biljesko | 6-2,6-2 |
| ITF M25 Vogau | 2019/08/08 10:35 | Deni Zmak v Vit Kopriva | 4-6,3-6 |
| ITF M25 Vogau | 2019/08/07 12:15 | Deni Zmak v Marat Deviatiarov | 6-4,7-5 |
| 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 M25 Antalya | 2020/02/23 08:00 | Alen Rogic-Hadzalic v Bogdan Ionut Apostol | 2-6,4-6 |
| ITF M15 Antalya | 2020/02/17 09:30 | Mariano Alberto Hasenkopf v Alen Rogic-Hadzalic | 6-4,6-4 |
| ITF M15 Antalya | 2020/02/16 09:30 | Stefan Suvajac v Alen Rogic-Hadzalic | 0-6,1-6 |
| ITF M15 Antalya | 2020/02/13 07:30 | Kazuki Shimizu v Alen Rogic-Hadzalic | 7-6,6-1 |
| ITF M15 Antalya | 2020/02/11 07:00 | Zura Tkemaladze v Alen Rogic-Hadzalic | 4-6,6-4,6-10 |
| ITF M15 Doha | 2019/12/18 15:45 | Aliaksandr Liaonenka v Alen Rogic-Hadzalic | 6-7,6-3,6-3 |