Stadium: Court 5 Round: 25 Ground: Clay
| ITF M15 Koszalin | 2023/09/08 10:00 | Marcel Zielinski v Patrick Zahraj | 6-3,7-5 |
| ITF M15 Szczawno | 2023/08/31 14:35 | Patrick Zahraj v Marcel Zielinski | 6-3,6-3 |
| ITF M15 Bad Waltersdorf | 2023/10/02 08:00 | Patrick Zahraj v Gregor Hausberger | 7-5,6-2 |
| ITF M15 Bad Waltersdorf | 2023/10/01 07:00 | Patrick Zahraj v Andrej Krajcik | 6-1,6-1 |
| ITF M15 Arad | 2023/09/27 07:00 | Dan Alexandru Tomescu v Patrick Zahraj | 6-0,6-2 |
| ITF M15 Arad | 2023/09/26 06:30 | Patrick Zahraj v Martin Zeljenka | 6-2,6-3 |
| ITF M25 Pardubice | 2023/09/21 08:00 | Patrick Zahraj v Louis Wessels | 4-6,6-3,3-6 |
| ITF M25 Pardubice | 2023/09/20 08:00 | Samuel Puskar v Patrick Zahraj | 1-6,1-6 |
| ITF M25 Pardubice | 2023/09/19 10:15 | Patrick Zahraj v Michal Lusovsky | 6-4,6-2 |
| ITF M25 Pardubice | 2023/09/18 08:00 | Patrick Zahraj v Jan Facek | 6-0,6-2 |
| ITF M15 Buschhausen | 2023/09/14 14:30 | Jonas Forejtek v Marcel Zielinski | 6-3,6-2 |
| ITF M15 Buschhausen | 2023/09/13 10:45 | Marcel Zielinski v Christian Hansen | 7-5,6-1 |
| ITF M15 Koszalin | 2023/09/09 11:00 | Marcel Zielinski v Dominik Kellovsky | 3-6,3-6 |
| ITF M15 Koszalin | 2023/09/08 10:00 | Marcel Zielinski v Patrick Zahraj | 6-3,7-5 |
| ITF M15 Koszalin | 2023/09/07 12:00 | Marcel Zielinski v Fryderyk Lechno-Wasiutynski | 6-7,7-5,6-4 |
| ITF M15 Koszalin | 2023/09/06 15:00 | Marcel Zielinski v Bruno Kokot | 6-2,6-2 |
| ITF M15 Szczawno | 2023/08/31 14:35 | Patrick Zahraj v Marcel Zielinski | 6-3,6-3 |
| ITF M15 Szczawno | 2023/08/30 08:35 | Adam Majchrzak v Marcel Zielinski | 2-6,3-6 |