Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Sibenik | 2021/04/19 10:35 | Petr Hajek v Giulio Colacioppo | 6-0,6-2 |
| ITF M15 Sibenik | 2021/04/18 10:00 | Petr Hajek v Jan Jermar | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/25 09:35 | Petr Hajek v Yu Hsiou Hsu | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/03/24 08:50 | Giorgio Ricca v Petr Hajek | 6-7,7-5,1-6 |
| ITF M15 Sharm El Sheikh | 2021/03/23 11:35 | Petr Hajek v Karlo Cubelic | 7-6,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/22 07:30 | Petr Hajek v Emmanuel Luria | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/21 07:00 | Petr Hajek v Yaron Guberman | 4-6,6-1,10-5 |
| ITF M15 Sharm El Sheikh | 2021/03/17 07:30 | Petr Hajek v Jacopo Berrettini | 6-7,5-7 |
| ITF M15 Sibenik | 2021/04/19 09:55 | Marino Jakic v Paul Valsecchi | 6-3,7-6 |
| ITF M15 Porec | 2021/03/07 12:00 | Benedikt Emesz v Marino Jakic | 7-5,6-2 |
| Adriatic Tennis Series | 2020/06/15 09:30 | Marino Jakic v Deni Zmak | 2-6,4-5 |
| ITF M15 Porec | 2020/03/09 09:00 | Yan Bondarevskiy v Marino Jakic | 6-2,6-3 |
| ITF M15 Porec | 2020/03/08 08:00 | Marino Jakic v Ivan Randjelovic | 7-6,6-1 |