Stadium: Court 1 Round: 28 Ground: Clay
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/08 10:00 | Zielinski, Marcel v 자라이, 패트릭 | 6-3,7-5 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/07 12:00 | Zielinski, Marcel v Fryderyk Lechno-Wasiutynski | 6-7,7-5,6-4 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/06 15:00 | Zielinski, Marcel v Bruno Kokot | 6-2,6-2 |
| ITF M15 Szczawno | 2023/08/31 14:35 | 자라이, 패트릭 v Zielinski, Marcel | 6-3,6-3 |
| ITF M15 Szczawno | 2023/08/30 08:35 | Adam Majchrzak v Zielinski, Marcel | 2-6,3-6 |
| ITF M15 Huy | 2023/08/25 08:00 | Zielinski, Marcel v 코르윈, 펠릭스 | 6-1,1-6,3-6 |
| ITF M15 Huy | 2023/08/23 14:10 | Zielinski, Marcel v 팔라벨라, 라우타로 아거스틴 | 6-3,6-4 |
| ITF M15 Frankfurt Am Main | 2023/08/09 13:00 | Schnaitter, Jakob v Zielinski, Marcel | 6-7,6-2,6-2 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/08 15:00 | 켈로브스키, 도미니크 v Tom Gentzsch | 6-2,5-7,6-4 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/07 10:00 | 켈로브스키, 도미니크 v Ruehl. Tim | 6-1,3-6,6-3 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/06 14:15 | 켈로브스키, 도미니크 v Piotr Siekanowicz | 6-4,7-5 |
| ITF M15 Vienna | 2023/09/02 11:00 | Karol, Milos v 켈로브스키, 도미니크 | 6-2,6-3 |
| ITF M15 Vienna | 2023/09/01 09:45 | Mikrut, Luka v 켈로브스키, 도미니크 | 4-6,0-6 |
| ITF M15 Vienna | 2023/08/31 09:35 | 페케트, 자노스 v 켈로브스키, 도미니크 | 5-7,6-1,3-6 |
| ITF M15 Vienna | 2023/08/30 11:20 | 파나크, 이보 v 켈로브스키, 도미니크 | 7-5,3-6,6-7 |
| ITF M25 Poznan | 2023/08/23 14:05 | 잔, 제레미 v 켈로브스키, 도미니크 | 7-5,6-4 |