The 2020/21 Heineken Champions Cup will be competed for by 24 clubs with the eight highest-ranked representatives from the Gallagher Premiership, the Guinness PRO14 and the TOP 14 securing their places.
The clubs will be divided into two pools of 12 by means of a draw and the tournament will be played over eight weekends with four rounds of matches in the pool stage followed by a knockout stage consisting of home and away quarter-finals, semi-finals and the final in Marseille on 22 May 2021.