| Polen - National Tour | 2020/07/06 09:00 | Michal Dembek v Kacper Dworak | 6-4,6-0 |
| Polen - National Tour | 2020/06/19 09:30 | Kacper Zuk v Michal Dembek | 6-2,1-6,7-6 |
| Polen - National Tour | 2020/06/18 07:00 | Michal Dembek v Michal Mikula | 7-6,6-4 |
| Marbello Cup Exhibition Series | 2020/06/05 07:00 | Mateusz Terczynski v Michal Dembek | 0-6,1-6 |
| Marbello Cup Exhibition Series | 2020/06/04 10:35 | Mateusz Terczynski v Michal Dembek | 2-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/03 13:05 | Daniel Michalski v Michal Dembek | 7-6,6-0 |
| 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 |
| Polen - National Tour | 2020/06/23 10:00 | Piotr Grynkowski v Pawel Juszczak | 5-7,3-6 |
| Polen - National Tour | 2020/06/22 07:00 | Piotr Grynkowski v Kamil Gajewski | 6-3,6-3 |
| Polen - National Tour | 2020/06/21 09:30 | Piotr Grynkowski v Szymon Walkow | 5-7,6-3,7-6 |
| Polen - National Tour | 2020/06/17 07:00 | Piotr Grynkowski v Aleksander Orlikowski | 7-5,6-1 |
| ITF M15 - Trnava | 2020/02/26 12:50 | Piotr Grynkowski v Jan Satral | 4-6,2-6 |
| ITF M15 - Trnava | 2020/02/25 09:00 | Isa Mammetgulyyev v Piotr Grynkowski | 3-6,2-6 |
| ITF M15 - Trnava | 2020/02/24 14:00 | Jiri Barnat v Piotr Grynkowski | 3-6,2-6 |
| ITF M15 - Sharm El Sheikh | 2020/02/19 15:40 | Issei Okamura v Piotr Grynkowski | 6-3,7-5 |