It began on 8 August 2020 with the first matches of the preliminary round and ended with the final on 2 May 2021 at Arena Lublin.
The defending champions Cracovia were eliminated by Raków Częstochowa in the semi-finals.
Raków won the final 2–1 against Arka Gdynia, achieving their first Polish Cup title ever.
[3] The PZPN Board of Directors determined the size of the prizes at its meeting on April 27, 2020.
Participating in this round were the 8 lowest ranked teams from 2019–20 II liga (which finished 2019–20 season on positions 11-18).
[12] The matches should be originally played from 29 October to 4 November 2020, but due to COVID-19 disease several of games were postponed.