For this stage, the winning team from one group plays against the runners-up from another group from their zone of the group stage. The tournament uses the away goals rule: if the aggregate score of the two games is tied after 180 minutes, then the team who scored more goals at their opponent's stadium advances. If still tied the clubs play extra time, where the away goals rule is no longer applied. If still tied after extra time, the tie shall be decided by a penalty shootout. East and West zones continue to be kept part until the final.