Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Antalya | 2023/01/27 07:00 | Alex Barrena v Marcel Zielinski | 6-4,6-3 |
| ITF M25 Antalya | 2023/02/01 10:30 | Aleksandr Lobanov v Marcel Zielinski | 4-6,0-6 |
| ITF M25 Antalya | 2023/01/31 08:50 | Marcel Zielinski v Lazar Vojinovic | 6-1,6-1 |
| ITF M25 Antalya | 2023/01/30 11:45 | Marcel Zielinski v Jannik Maute | 6-4,6-1 |
| ITF M15 Antalya | 2023/01/27 07:00 | Alex Barrena v Marcel Zielinski | 6-4,6-3 |
| ITF M15 Antalya | 2023/01/26 06:30 | Obrad Markovski v Marcel Zielinski | 0-6,1-6 |
| ITF M15 Antalya | 2023/01/24 11:35 | Marcel Zielinski v Stefan Palosi | 4-6,6-4,6-4 |
| German Championship | 2022/12/09 14:00 | Marcel Zielinski v Max Hans Rehberg | 3-6,2-6 |
| German Championship | 2022/12/08 14:00 | Marcel Zielinski v Lasse Portner | 6-2,2-6,6-3 |
| ITF M25 Antalya | 2023/02/01 07:00 | Alex Barrena v Lukas Neumayer | 4-6,6-0,6-4 |
| ITF M15 Antalya | 2023/01/29 07:30 | Gergely Madarasz v Alex Barrena | 3-6,2-6 |
| ITF M15 Antalya | 2023/01/27 07:00 | Alex Barrena v Marcel Zielinski | 6-4,6-3 |
| ITF M15 Antalya | 2023/01/26 08:35 | Alex Barrena v Ignacio B Alia | 6-0,6-1 |
| ITF M15 Antalya | 2023/01/24 11:50 | Alex Barrena v Maksim Shin | 7-5,6-3 |
| ITF M15 Antalya | 2023/01/20 07:00 | Dragos Nicolae Madaras v Alex Barrena | 4-6,6-3,6-4 |
| ITF M15 Antalya | 2023/01/19 09:40 | Alex Barrena v Stefan Palosi | 6-2,6-4 |
| ITF M15 Antalya | 2023/01/18 06:30 | Alex Barrena v Carlos Giraldi | 6-1,6-1 |