Stadium: Opatija 2 Round: 25 Ground: Clay
| Challenger Split | 2023/04/09 08:00 | Duje Markovina v Juan Bautista Torres | 1-6,2-6 |
| ITF M15 Porec | 2023/03/08 11:25 | Riccardo Balzerani v Duje Markovina | 6-1,6-1 |
| UTR Pro Zadar | 2023/03/04 11:00 | Milan Drinic v Duje Markovina | 6-3,6-4 |
| UTR Pro Zadar | 2023/03/03 08:00 | Andrej Nedic v Duje Markovina | 6-3,6-3 |
| UTR Pro Zadar | 2023/03/02 12:37 | Domagoj Biljesko v Duje Markovina | 6-1,6-1 |
| UTR Pro Zadar | 2023/02/28 08:30 | Duje Markovina v Matej Galik | 3-6,3-6 |
| ITF M25 Split | 2022/04/25 13:00 | Robin Bertrand v Duje Markovina | 6-0,6-2 |
| ITF M25 Split | 2022/04/24 09:15 | Namazbek Diushembiev v Duje Markovina | 2-6,0-6 |
| ITF M15 Opatija | 2024/03/19 11:25 | Jan Kupcic v Emanuele Mazzeschi | 6-3,6-4 |
| ITF M15 Opatija | 2024/03/17 10:30 | Jan Kupcic v Marko Nikolic | 6-4,6-3 |
| ITF M15 Rovinj | 2024/03/13 09:00 | Stefano D'Agostino v Jan Kupcic | 7-6,6-2 |
| ITF M15 Rovinj | 2024/03/12 10:45 | Nikola Basic v Jan Kupcic | 4-6,6-4,6-10 |
| ITF M15 Porec | 2024/03/05 08:30 | Matteo Fondriest v Jan Kupcic | 3-6,6-4,10-7 |
| ITF M15 Porec | 2024/03/03 10:00 | Leonardo Iemmi v Jan Kupcic | 2-6,4-6 |
| ITF M15 Sharm El Sheikh | 2023/12/13 09:35 | Michael Bassem Sobhy v Jan Kupcic | 2-6,6-4,7-6 |
| ITF M15 Sharm El Sheikh | 2023/12/12 09:10 | Jan Kupcic v Thomas Gerbaud | 5-7,7-6,10-4 |