Each team from a group meets the others in a single tie.
The winning club from each group and six best runners-up progress to the knockout stage.
All matches in the final rounds are single tie.
During the round of 16 no extra time will be played in case of a draw, with the match proceeding immediately to penalty kicks.
From the quarterfinals on, matches include 30 minutes extra time and penalties to be played if the draw between teams still holds.