Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Dubrovnik | 2024/04/15 11:00 | Ivan Kremenchutskyi v Josip Simundza | 6-7,6-3,6-10 |
| ITF M15 Dubrovnik | 2024/04/14 14:30 | Charles Bertimon v Josip Simundza | 6-4,4-6,10-12 |
| Challenger Split | 2024/04/07 09:55 | Felix Gill v Josip Simundza | 6-2,6-4 |
| Challenger Zadar | 2024/03/17 15:30 | Sandro Kopp v Josip Simundza | 6-1,6-2 |
| ITF M15 Rovinj | 2024/03/13 09:00 | Luka Pavlovic v Josip Simundza | 6-4,6-4 |
| ITF M15 Porec | 2024/03/06 10:00 | Tommaso Compagnucci v Josip Simundza | 6-2,6-3 |
| ITF M15 Manacor | 2024/01/21 10:00 | Dominique Graf v Josip Simundza | 3-6,6-1,11-9 |
| ITF M15 Manacor | 2024/01/16 11:15 | Kane Bonsach Ganley v Josip Simundza | 6-4,6-4 |
| ITF M15 Telde | 2024/04/10 09:30 | Oscar Jose Gutierrez v Adrian Oetzbach | 6-3,6-1 |
| Challenger Barletta | 2024/04/01 08:00 | Santiago Rodriguez Taverna v Adrian Oetzbach | 7-5,7-5 |
| Challenger Barletta | 2024/03/31 08:00 | Luca Giacomini v Adrian Oetzbach | 3-6,6-3,1-6 |
| ITF M15 Antalya | 2024/03/27 10:40 | Adrian Oetzbach v Alen Mujakic | 3-6,6-2,3-6 |
| ITF M15 Alaminos-Larnaca | 2024/03/19 11:45 | Kai Lemstra v Adrian Oetzbach | 6-1,3-6,7-6 |
| Challenger Hamburg | 2024/03/10 11:35 | Denis Yevseyev v Adrian Oetzbach | 6-7,7-5,6-2 |
| ITF M15 Sharm El Sheikh | 2024/03/07 10:25 | Michael Bassem Sobhy v Adrian Oetzbach | 3-6,6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2024/03/06 11:40 | Joe Tyler v Adrian Oetzbach | 0-6,3-6 |