Stadium: Court 8 Round: 1
| Polish National Tour | 2020/07/14 16:00 | Hubert Hurkacz v Jasza Szajrych | 6-4,7-6 |
| Polish National Tour | 2020/07/06 14:00 | Kamil Majchrzak v Jasza Szajrych | 6-1,6-0 |
| Polish National Tour | 2020/07/17 12:45 | Jan Zielinski v Daniel Michalski | 2-6,1-6 |
| Polish National Tour | 2020/07/09 11:00 | Daniel Michalski v Jan Zielinski | 6-3,6-1 |
| Polish National Tour | 2020/07/08 13:00 | Jan Zielinski v Kacper Zuk | 6-4,6-3 |
| Polish National Tour | 2020/06/23 08:00 | Kacper Zuk v Jan Zielinski | 6-2,3-6,6-2 |
| Polish National Tour | 2020/06/22 08:35 | Jan Zielinski v Filip Kolasinski | 6-4,6-3 |
| Marbello Cup Exhibition Series | 2020/06/05 08:20 | Filip Kolasinski v Jan Zielinski | 0-6,7-5,7-10 |
| Marbello Cup Exhibition Series | 2020/06/04 14:10 | Maciej Rajski v Jan Zielinski | 7-5,6-1 |
| Marbello Cup Exhibition Series | 2020/06/04 08:20 | Filip Kolasinski v Jan Zielinski | 6-7,4-6 |