Stadium: Court 1 Round: 27 Ground: Clay
| ITF - M15 Telde | 2023/04/13 09:00 | Michael Zhu v Marcel Zielinski | 2-6,1-6 |
| ITF - M15 Telde | 2023/04/11 10:40 | Rodrigo Mora Clement v Marcel Zielinski | 6-4,0-6,0-6 |
| ITF - M15 Antalya | 2023/03/12 10:30 | Marcel Zielinski v Andrea Fiorentini | 1-6,2-6 |
| ITF - M15 Antalya | 2023/03/09 07:00 | Sean Cuenin v Marcel Zielinski | 6-3,6-0 |
| ITF - M15 Antalya | 2023/03/08 11:30 | Marcel Zielinski v Rimpei Kawakami | 6-3,1-6,6-4 |
| ITF - M15 Antalya | 2023/03/07 07:00 | Marcel Zielinski v Carlo Alberto Fossati | 3-6,7-6,10-5 |
| ITF - M15 Antalya | 2023/03/06 07:30 | Marcel Zielinski v Stepan Mruzek | 6-1,6-1 |
| ITF - M15 Antalya | 2023/03/05 06:30 | Marcel Zielinski v Markus Wunder | 6-4,6-2 |
| ITF - M15 Telde | 2023/04/13 12:05 | Leopold Zima v Vilius Gaubas | 2-6,1-6 |
| ITF - M15 Telde | 2023/04/12 10:30 | Vilius Gaubas v Clement Tabur | 3-6,6-2,6-2 |
| ITF - M25 Reus | 2023/04/09 09:00 | Vilius Gaubas v Miguel Damas | 6-4,6-4 |
| ITF - M25 Reus | 2023/04/08 09:35 | Pol Martin Tiffon v Vilius Gaubas | 4-6,6-7 |
| ITF - M25 Reus | 2023/04/07 08:00 | Imanol L Morillo v Vilius Gaubas | 4-6,6-4,3-6 |
| ITF - M25 Reus | 2023/04/06 14:40 | Vilius Gaubas v Leonid Sheyngezikht | 6-3,6-1 |
| ITF - M25 Reus | 2023/04/05 13:45 | Vilius Gaubas v Iker Urribarrens | 6-2,6-2 |
| ITF - M25 Reus | 2023/04/04 10:50 | Vilius Gaubas v Lorenzo Vatteroni | 6-1,6-0 |