| 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 |
| Marbello Cup Exhibition Series | 2020/06/02 13:30 | Daniel Michalski v Jan Zielinski | 6-0,5-7,8-10 |
| ITF M25 Bydgoszcz | 2019/08/17 13:20 | Daniel Michalski v Jan Zielinski | 6-3,6-4 |