Stadium: Center Court Round: 19 Ground: Clay
| ITF Egypt F33 | 2015/11/18 12:30 | Aldin Setkic v Zielinski, Jan | 6-2,6-1 |
| ITF Egypt F33 | 2014/10/16 08:00 | Aldin Setkic v Zielinski, Jan | 6-3,6-1 |
| Challenger Warsaw | 2021/08/22 11:15 | Skander Mansouri v Zielinski, Jan | 7-5,3-6,3-6 |
| Polish National Tour | 2021/07/11 13:00 | Zielinski, Jan v Filip Peliwo | 5-7,2-6 |
| ITF M25 Poznan | 2020/08/26 07:55 | Zielinski, Jan v Vit Kopriva | 4-6,2-6 |
| Polish National Tour | 2020/08/18 07:30 | Pawel Juszczak v Zielinski, Jan | 6-2,6-0 |
| Polish National Tour | 2020/08/16 14:00 | Galus, Piotr v Zielinski, Jan | 3-6,3-6 |
| Polish National Tour | 2020/08/01 09:00 | Pawel Juszczak v Zielinski, Jan | 3-6,6-3,7-5 |
| Polish National Tour | 2020/07/30 09:45 | Piotr Grynkowski v Zielinski, Jan | 2-6,6-4,2-6 |
| Polish National Tour | 2020/07/25 09:35 | Jasza Szajrych v Zielinski, Jan | 2-6,6-2,6-4 |
| Challenger Warsaw | 2021/08/22 09:00 | Jasza Szajrych v Aldin Setkic | 0-6,4-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/18 07:55 | Lucas Miedler v Aldin Setkic | 6-1,6-4 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/17 11:50 | Nejedly, Pavel v Aldin Setkic | 0-6,2-6 |
| Challenger - Prague | 2021/08/08 12:00 | Adrian Andreev v Aldin Setkic | 7-5,6-1 |
| Challenger Trieste | 2021/07/25 15:00 | Aldin Setkic v Viktor Durasovic | 1-6,6-7 |
| ITF - M15 Doboj | 2021/07/14 08:30 | Kekez, Duje v Aldin Setkic | 7-5,7-6 |
| ITF M25 Velenje | 2021/07/06 09:45 | Hampel, Lenny v Aldin Setkic | 3-6,6-3,6-2 |
| Challenger - Prostejov | 2021/06/13 13:55 | Jelle Sels v Aldin Setkic | 6-3,6-1 |