| ITF M15 Dubrovnik | 2025/04/16 09:30 | Josip Simundza v Carlos Lopez Montagud | 4-6,7-6,1-6 |
| ITF M15 Dubrovnik | 2025/04/15 13:22 | Lucas Marionneau v Josip Simundza | 4-6,5-7 |
| ITF M15 Opatija | 2025/03/28 09:00 | Luka Mikrut v Josip Simundza | 6-1,6-2 |
| ITF M15 Opatija | 2025/03/27 09:00 | Josip Simundza v Gergely Madarasz | 3-6,6-3,6-3 |
| ITF M15 Opatija | 2025/03/26 09:00 | Savva Rybkin v Josip Simundza | 1-6,6-4,6-7 |
| Challenger Zadar | 2025/03/17 09:00 | Luka Pavlovic v Josip Simundza | 6-2,6-2 |
| Challenger Zadar | 2025/03/16 10:05 | Josip Simundza v Marco Cecchinato | 4-6,7-5,6-1 |
| ITF M15 Porec | 2025/03/11 10:30 | Josip Simundza v Mili Poljicak | 1-6,6-4,4-6 |
| ITF M15 Slovenska Bistrica | 2024/07/15 10:30 | Ziga Sesko v Vit Kalina | 2-6,0-6 |
| ITF M15 Litija | 2024/07/10 16:50 | Volodymyr Iakubenko v Ziga Sesko | 6-2,6-3 |
| ITF M15 Hrastnik | 2024/06/05 14:45 | Bor Artnak v Ziga Sesko | 6-2,6-1 |