| ITF M15 Koszalin | 2019/08/09 08:00 | Michal Dembek v Daniel Michalski | 6-2,6-4 |
| ITF M15 Wroclaw | 2019/07/04 08:00 | Michal Dembek v Daniel Michalski | 6-4,3-6,6-3 |
| Challenger Sopot | 2018/07/30 12:30 | Daniel Michalski v Michal Dembek | 6-2,6-4 |
| ITF Poland F1 | 2018/05/02 08:00 | Michal Dembek v Daniel Michalski | 6-2,3-6,7-5 |
| Marbello Cup Exhibition Series | 2020/06/03 07:00 | Daniel Michalski v Mateusz Terczynski | 6-0,3-6,10-6 |
| Marbello Cup Exhibition Series | 2020/06/02 13:30 | Daniel Michalski v Jan Zielinski | 6-0,5-7,8-10 |
| Marbello Cup Exhibition Series | 2020/06/02 09:10 | Daniel Michalski v Filip Kolasinski | 2-6,6-7 |
| Challenger Bergamo | 2020/02/20 10:00 | Baptiste Crepatte v Daniel Michalski | 2-6,6-4,6-3 |
| Challenger Bergamo | 2020/02/18 09:00 | Daniel Michalski v Francesco Maestrelli | 6-2,4-6,6-2 |
| ITF M15 Antalya | 2020/02/15 08:20 | Baran Cengiz v Daniel Michalski | 7-5,7-5 |
| ITF M15 Antalya | 2020/02/06 07:00 | Giovanni Fonio v Daniel Michalski | 4-6,6-4,6-3 |
| ITF M15 Antalya | 2020/02/05 07:00 | Gustaf Strom v Daniel Michalski | 6-7,0-6 |
| Marbello Cup Exhibition Series | 2020/06/03 08:50 | Jan Zielinski v Michal Dembek | 7-6,5-7,10-4 |
| Marbello Cup Exhibition Series | 2020/06/02 17:15 | Michal Dembek v Filip Kolasinski | 4-6,6-2,10-7 |
| Marbello Cup Exhibition Series | 2020/06/02 11:15 | Maciej Rajski v Michal Dembek | 6-3,3-6,17-15 |
| ITF M15 Loule | 2020/03/10 11:35 | Nicolo Turchetti v Michal Dembek | 6-4,4-6,6-4 |
| ITF M15 Faro | 2020/03/04 10:00 | Yannick Mertens v Michal Dembek | 6-2,7-5 |
| ITF M15 Heraklion | 2020/02/12 09:30 | Michal Dembek v Petros Tsitsipas | 7-5,2-6,6-7 |
| ITF M15 Antalya | 2019/12/17 07:00 | Michal Dembek v Ivan Nedelko | 7-6,5-7,2-6 |
| ITF M15 Antalya Qual | 2019/12/09 07:00 | Michal Dembek v Igor Saveljic | 1-6,6-7 |