Estadio: Center Court Round: 62 Ground: Clay
| ITF M25 Split | 2023/04/17 12:00 | Tim Heger v Syl Gaxherri | 6-3,6-3 |
| ITF M25 Dubrovnik | 2023/04/04 08:30 | Tim Heger v Radomir Tomic | 6-4,3-6,8-10 |
| ITF M25 Dubrovnik | 2023/04/03 07:00 | Tim Heger v Nik Mikovic | 6-4,6-4 |
| UTR Pro Zadar | 2023/04/01 12:30 | Josip Simundza v Tim Heger | 6-3,5-4 |
| UTR Pro Zadar | 2023/03/31 06:00 | Tim Heger v Nikola Basic | 6-4,6-2 |
| UTR Pro Zadar | 2023/03/29 06:00 | Tim Heger v Kristian Juhas | 4-6,3-6 |
| UTR Pro Zadar | 2023/03/28 08:15 | Tim Heger v Sebastian Prechtel | 4-6,4-6 |
| UTR Pro Zadar | 2023/03/27 10:30 | Paul Woerner v Tim Heger | 6-7,7-5,6-3 |
| ITF M25 Split | 2023/04/17 07:00 | Lamin L Da Silva v Marsel Znuderl | 2-6,6-7 |
| ITF M15 Sharm El Sheikh | 2023/03/27 08:30 | Marsel Znuderl v Max Benaim | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/03/19 12:00 | Samer Al Tori v Marsel Znuderl | 6-3,6-4 |
| ITF M15 Porec | 2023/03/05 11:30 | Marsel Znuderl v Victorio Marquiselli | 4-6,4-6 |
| ITF M15 Monastir | 2023/01/29 09:00 | Luca Wiedenmann v Marsel Znuderl | 6-0,6-2 |
| ITF M15 Monastir | 2023/01/22 11:30 | Karol Tomanski v Marsel Znuderl | 6-0,6-1 |
| ITF M15 Monastir | 2023/01/16 08:30 | Marsel Znuderl v Valentin Lapalu | 1-6,3-6 |
| ITF M15 Monastir | 2023/01/15 11:30 | Riccardo Masiero v Marsel Znuderl | 3-6,4-6 |