Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Prijedor | 2021/05/10 13:30 | Duje Kekez v Valentin Lapalu | 6-4,6-4 |
| ITF M15 Prijedor | 2021/05/09 12:30 | Duje Kekez v Obrad Markovski | 6-4,6-3 |
| ITF M15 Sibenik | 2021/04/24 08:00 | David Pichler v Duje Kekez | 6-2,7-6 |
| ITF M15 Sibenik | 2021/04/23 09:40 | Mili Poljicak v Duje Kekez | 4-6,2-6 |
| ITF M15 Sibenik | 2021/04/22 08:00 | Francesco Vilardo v Duje Kekez | 3-6,3-6 |
| ITF M15 Sibenik | 2021/04/21 10:30 | Duje Kekez v Alexis Gautier | 6-4,7-6 |
| Challenger Split | 2021/04/13 11:30 | Duje Kekez v Aleksandar Vukic | 2-6,6-7 |
| Challenger Zadar | 2021/03/21 11:05 | Duje Kekez v Skander Mansouri | 6-7,4-6 |
| ITF M15 Prijedor | 2021/05/10 08:00 | Luka Puljic v Federico Campana | 1-6,4-6 |
| ITF M15 Prijedor | 2021/05/09 07:00 | Samuel M Arjona v Federico Campana | 2-6,3-6 |
| ITF M15 Antalya | 2021/04/27 11:40 | Federico Campana v Francesco Forti | 5-7,7-6,1-6 |
| ITF M15 Antalya | 2021/04/19 09:00 | Federico Campana v Oleksandr Ovcharenko | 0-6,0-6 |
| ITF M15 Antalya | 2021/04/18 07:00 | Federico Campana v Ethan Gaubert | 6-3,6-0 |
| ITF M15 Antalya | 2021/04/13 07:00 | Vladimir Korolev v Federico Campana | 6-0,6-4 |
| ITF M15 Antalya | 2021/04/12 07:00 | Federico Campana v Gabriele Bosio | 6-4,6-4 |
| ITF M15 Antalya | 2021/04/11 07:00 | Vito Dell'Elba v Federico Campana | 2-6,1-6 |