| Phase | Round | Draw date | First leg | Second leg |
|---|---|---|---|---|
| Qualifying | Preliminary round | 9 August 2020 | 20 August 2020 | |
| First qualifying round | 10 August 2020 | 27 August 2020 | ||
| Second qualifying round | 31 August 2020 | 17 September 2020 | ||
| Third qualifying round | 1 September 2020 | 24 September 2020 | ||
| Play-off | Play-off round | 18 September 2020 | 1 October 2020 | |
| Group stage | Matchday 1 | 2 October 2020 | 22 October 2020 | |
| Matchday 2 | 29 October 2020 | |||
| Matchday 3 | 5 November 2020 | |||
| Matchday 4 | 26 November 2020 | |||
| Matchday 5 | 3 December 2020 | |||
| Matchday 6 | 10 December 2020 | |||
| Knockout phase | Round of 32 | 14 December 2020 | 18 February 2021 | 25 February 2021 |
| Round of 16 | 26 February 2021 | 11 March 2021 | 18 March 2021 | |
| Quarter-finals | 19 March 2021 | 8 April 2021 | 15 April 2021 | |
| Semi-finals | 29 April 2021 | 6 May 2021 | ||
| Final | 26 May 2021 at Gdańsk City Stadium, Gdańsk | |||