Clubs UEFA club competition winners Real Madrid hold the record for the most overall titles (24) while Milan has the most UEFA Super Cup wins (5), a record shared with Barcelona and Real Madrid. The Madrid club have a record 14 titles achieved in the UEFA Champions League and its predecessor. Barcelona have a record four titles in the UEFA Cup Winners' Cup while Sevilla have a record of six UEFA Cup and Europa League titles. Finally, German clubs Hamburger SV, Schalke 04, and VfB Stuttgart, as well as Spanish club Villarreal, are the record holders by titles won in the UEFA Intertoto Cup (two each). Ranking three main European club competitions' winning club sides by winning percentage This is a ranking of all club sides which have won one of the three main European competitions. Bayern Munich are the only team to finish a continental competition with a 100% winning record, achieving that milestone in 2020 as part of a modified tournament structure with a final four in a neutral venue held in a single elimination match due to the COVID-19 pandemic in Europe. Top 15 club sides Qualifying and preliminary round matches are not included, neither are play-off matches; results of penalty shoot-outs are considered the score which preceded them (including extra time). Table key List of teams to have won the three main European club competitions To date, five clubs have won all three main pre-1999 UEFA club competitions, the "European Treble" of European Cup/UEFA Champions League, European/UEFA Cup Winners' Cup, and UEFA Cup/UEFA Europa League. (Link lists only four, not five). Although the Cup Winners' Cup no longer exists, 27 of its former winners could still add wins in the other two competitions to achieve this UEFA treble. Nine of those teams are just one trophy away from the feat, including Barcelona and Milan who have both won the Champions League and Cup Winners' Cup and are one Europa League trophy away from achieving the UEFA treble. Other clubs needing Europa League title to achieve the treble are German clubs Hamburg and Borussia Dortmund having previously won the European Cup and the Cup Winners' Cup once each. The remaining five clubs that need to win the Champions League: Atlético Madrid, Tottenham Hotspur, Anderlecht, Valencia, and Parma. Upon the commencement of the UEFA Europa Conference League in the 2021–22 season, there is a chance for the 32