Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Meerbusch | 2023/04/27 08:55 | Marcel Zielinski v Liam Gavrielides | 6-7,1-6 |
| ITF M15 Meerbusch | 2023/04/26 09:00 | Marcel Zielinski v John Sperle | 7-6,7-5 |
| ITF M15 Telde | 2023/04/23 09:00 | Marcel Zielinski v Alejandro Manzanera Pertusa | 4-6,6-7 |
| ITF M15 Telde | 2023/04/22 09:00 | Kai Lemstra v Marcel Zielinski | 2-6,4-6 |
| ITF M15 Telde | 2023/04/21 09:00 | Marcel Zielinski v Martin Cuevas | 6-4,6-1 |
| ITF M15 Telde | 2023/04/20 12:30 | Jorge Martinez Martinez v Marcel Zielinski | 3-6,2-6 |
| ITF M15 Telde | 2023/04/18 08:00 | Marcel Zielinski v Benjamin Winter Lopez | 3-6,6-2,6-4 |
| ITF M15 Telde | 2023/04/17 08:00 | Marcel Zielinski v Ian Luca Cervantes Tomas | 6-4,6-2 |
| ITF M15 Monastir | 2023/03/22 10:20 | Wissam Abderrahman v Brian Bozemoj | 7-5,6-3 |
| ITF M15 Monastir | 2023/03/20 08:00 | David Agung Susanto v Brian Bozemoj | 1-6,7-6,6-10 |
| ITF M15 Monastir | 2023/03/19 08:00 | Lyle Zaloumis v Brian Bozemoj | 4-6,2-6 |
| ITF M15 Monastir | 2023/03/13 08:30 | Zoran Ludoski v Brian Bozemoj | 6-1,7-5 |
| ITF M15 Monastir | 2023/03/06 10:00 | Riku Takahata v Brian Bozemoj | 6-4,4-6,14-12 |
| ITF M15 Monastir | 2023/03/05 10:30 | Vanja Petrov v Brian Bozemoj | 2-6,4-6 |
| ITF M25 Monastir | 2023/02/01 10:10 | Buvaysar Gadamauri v Brian Bozemoj | 6-1,6-2 |
| ITF M25 Monastir | 2023/01/30 13:30 | Isaac Nortey v Brian Bozemoj | 1-6,2-6 |