Stadium: Court 1 Round: 26 Ground: Clay
| Marbello Cup Exhibition Series | 2020/06/03 13:05 | Daniel Michalski v Dembek, Michal | 7-6,6-0 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/09 08:00 | Dembek, Michal v Daniel Michalski | 6-2,6-4 |
| ITF M15 Wroclaw | 2019/07/04 08:00 | Dembek, Michal v Daniel Michalski | 6-4,3-6,6-3 |
| Sopot, Pologne | 2018/07/30 12:30 | Daniel Michalski v Dembek, Michal | 6-2,6-4 |
| ITF Poland F1 | 2018/05/02 08:00 | Dembek, Michal v Daniel Michalski | 6-2,3-6,7-5 |
| ITF M15 Gdynia | 2021/08/11 12:40 | Daniel Michalski v Ribeiro Marcondes, Igor | 6-2,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 13:10 | Pavlasek, Adam v Daniel Michalski | 7-5,6-4 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 07:00 | Orlikowski, Aleksander v Daniel Michalski | 2-6,1-6 |
| Poznan, Poland | 2021/07/27 11:50 | Daniel Michalski v Botic Van De Zandschulp | 2-6,3-6 |
| Polish National Tour | 2021/07/15 10:35 | Daniel Michalski v Kacper Zuk | 2-6,4-6 |
| Polish National Tour | 2021/07/14 11:50 | Maciej Rajski v Daniel Michalski | 0-6,5-7 |
| Polish National Tour | 2021/07/13 11:50 | Terczynski, Mateusz v Daniel Michalski | 2-6,1-6 |
| Braunchsweig, Germany | 2021/07/06 15:50 | Daniel Michalski v Vit Kopriva | 2-6,2-6 |
| ITF M15 Gdynia | 2021/08/11 10:25 | Dembek, Michal v Pawel Safuryn | 6-0,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/07 07:25 | David Poljak v Dembek, Michal | 6-3,3-6,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 08:55 | Bojarski, Alan v Dembek, Michal | 3-6,6-4,2-6 |
| ITF M25 Telavi | 2021/07/31 08:40 | Dembek, Michal v Alessandro Ingarao | 2-6,1-6 |
| ITF M25 Telavi | 2021/07/30 05:55 | Dembek, Michal v Boborykin, Alexander | 7-5,6-2 |
| Polish National Tour | 2021/07/11 16:00 | Dembek, Michal v Orlikowski, Aleksander | 2-6,6-7 |
| ITF M25 Wroclaw | 2021/07/01 11:40 | Alexander Shevchenko v Dembek, Michal | 6-4,6-2 |
| ITF M25 Wroclaw | 2021/06/30 10:45 | Dembek, Michal v Dougaz, Aziz | 6-2,6-4 |