Stadium: Platz 1 Round: 25
| ITF M15 - Pirot | 2023/09/07 09:00 | Alen Mujakic v Antonio Massara | 4-6,1-6 |
| ITF M15 - Pirot | 2023/09/06 11:00 | Andrej Nedic v Alen Mujakic | 3-6,1-6 |
| ITF M15 - Pirot | 2023/09/05 09:30 | Mihail Ivanov v Alen Mujakic | 1-6,6-3,7-10 |
| ITF M15 - Pirot | 2023/09/04 11:30 | Alen Mujakic v Paul Valsecchi | 3-6,6-1,10-8 |
| ITF M15 - Pirot | 2023/09/03 10:00 | Ognjen Pavlovic v Alen Mujakic | 0-6,0-6 |
| ITF M15 - Kursumlijska Banja | 2023/08/31 07:30 | Alen Mujakic v Erik Arutiunian | 6-0,2-6,2-6 |
| ITF M15 - Kursumlijska Banja | 2023/08/30 07:00 | Giammarco Gandolfi v Alen Mujakic | 4-6,1-6 |
| ITF M15 - Kursumlijska Banja | 2023/08/29 08:10 | Alen Mujakic v Paul Valsecchi | 6-2,6-1 |
| Challenger - Ismaning | 2023/11/03 16:25 | Lukas Klein v Max Hans Rehberg | 6-3,6-2 |
| Challenger - Ismaning | 2023/11/02 16:30 | Mats Rosenkranz v Max Hans Rehberg | 6-7,4-6 |
| Challenger - Ismaning | 2023/10/31 18:35 | Max Hans Rehberg v Maxime Cressy | 6-7,6-4,7-6 |
| Challenger - Hamborg | 2023/10/16 09:00 | Mukund Sasikumar v Max Hans Rehberg | 6-7,6-1,7-5 |
| Challenger - Hamborg | 2023/10/15 12:20 | Sarp Agabigun v Max Hans Rehberg | 1-6,3-6 |
| ITF M15 - Forbach | 2023/09/26 16:00 | Max Hans Rehberg v Volodymyr Iakubenko | 3-6,6-3,1-6 |
| ITF M15 - Ueberlingen | 2023/08/20 12:00 | Max Hans Rehberg v Jakob Schnaitter | 7-6,1-6,2-6 |
| ITF M15 - Ueberlingen | 2023/08/19 12:00 | Max Hans Rehberg v David Fix | 6-2,6-3 |