Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Manacor | 2024/01/07 09:45 | Andrew Fenty v Markus Malaszszak | 6-1,6-1 |
| German Championship | 2023/12/06 14:10 | Leopold Zima v Markus Malaszszak | 6-1,6-1 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | Michael Agwi v Markus Malaszszak | 6-1,6-3 |
| ITF M25 Wetzlar | 2023/08/03 07:55 | Tim Handel v Markus Malaszszak | 6-3,6-1 |
| ITF M25 Wetzlar | 2023/08/01 13:10 | Markus Malaszszak v Jeremy Schifris | 6-3,6-4 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Dawid Wisniewski v Markus Malaszszak | 3-6,1-6 |
| ITF M25 Marburg | 2023/07/03 08:00 | Markus Malaszszak v Anthony Genov | 3-6,6-7 |
| German Championship | 2022/12/08 12:00 | Markus Malaszszak v Lewie Lane | 3-6,2-6 |
| ITF M15 Manacor | 2024/01/14 16:00 | Aydan Gomez Osorio v Josip Simundza | 4-6,6-3,5-10 |
| ITF M25 Antalya | 2023/11/21 06:25 | Sergei Pogosian v Josip Simundza | 7-5,6-3 |
| ITF M25 Antalya | 2023/11/20 11:35 | Erik Tkalenko v Josip Simundza | 6-7,5-7 |
| ITF M25 Antalya | 2023/11/16 06:50 | Josip Simundza v Jay Clarke | 5-7,3-6 |
| ITF M15 Antalya | 2023/11/07 09:10 | Josip Simundza v Giulio Colacioppo | 6-4,3-6,7-10 |
| ITF M15 Antalya | 2023/11/06 07:00 | A.J Catanzariti v Josip Simundza | 5-7,6-7 |
| ITF M15 Antalya | 2023/11/05 07:00 | Josip Simundza v Aleksei Khomich | 6-4,7-6 |
| UTR Pro Zadar | 2023/10/22 13:00 | Christos Keisidis v Josip Simundza | 7-6,6-3 |