Stadium: Court 9 Round: 44 Ground: Clay
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/08 10:35 | Zmak, Deni v Vit Kopriva | 4-6,3-6 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/07 12:15 | Zmak, Deni v Deviatiarov, Marat | 6-4,7-5 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/06 08:45 | Diarra, Gibril v Zmak, Deni | 3-6,3-6 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/05 11:00 | Roko Horvat v Zmak, Deni | 1-6,3-6 |
| ITF - M15 Opatija | 2019/03/27 13:00 | Zmak, Deni v Maxime Chazal | 3-6,6-7 |
| ITF - M15 Opatija | 2019/03/26 10:50 | Ramazzoti, Samuele v Zmak, Deni | 3-6,4-6 |
| ITF - M15 Opatija | 2019/03/25 12:35 | Zmak, Deni v Jandric, Darko | 6-0,6-3 |
| ITF - M15 Porec | 2019/03/12 09:00 | Zmak, Deni v Borsos, Gabor | 3-6,1-6 |
| ITF - M25 Antalya | 2020/02/23 07:00 | Pontoglio, Davide v Domagoj Biljesko | 3-6,6-2,10-8 |
| ITF - M15 Antalya | 2020/02/22 07:00 | Nikolas Sanchez Izquierdo v Domagoj Biljesko | 7-5,4-6,6-2 |
| ITF - M15 Antalya | 2020/02/20 07:00 | Domagoj Biljesko v Luca Giacomini | 4-6,6-0,6-3 |
| ITF - M15 Antalya | 2020/02/19 08:45 | Domagoj Biljesko v Federico Campana | 6-1,6-4 |
| ITF - M15 Antalya | 2020/02/18 07:00 | Di Nocera, Riccardo v Domagoj Biljesko | 6-1,3-6,5-10 |
| ITF - M15 Antalya | 2020/02/17 08:00 | Francesco Cano v Domagoj Biljesko | 0-6,1-6 |
| ITF - M15 Antalya | 2020/02/16 07:00 | Umut Akkoyun v Domagoj Biljesko | 1-6,0-6 |
| ITF - M15 Héraklion | 2019/12/12 09:00 | Vivero Gonzalez, Pablo v Domagoj Biljesko | 6-2,6-1 |