Copenhagen has also been successful in European football having participated in the group stage of the UEFA Champions League and UEFA Europa League, more times than any other Danish clubs and the only Danish club to reach the knockout stage of the Champions League.
Copenhagen has also been successful in European football qualifying for the 2006--07 edition of the UEFA Champions League, for the first time in the club's history. Three years later, Copenhagen became the first Danish club to reach the knockout stage of the Champions League.