Heineken has been an integral partner of the UEFA Champions League since 2005, with a theme of "Enjoyed together around the world." The Heineken Open (tennis) is a tennis tournament on the ATP International Series played in Auckland, New Zealand. Heineken also sponsors the music events: the Heineken Open'er Festival, a contemporary music festival held in Poland; and, since 2004, the Oxegen music festival in Ireland. Heineken sponsors the Ballyheigue Summerfest in County Kerry, Ireland. In 2016, Heineken became the Official Beer of the Formula One World Championship after the Canadian Grand Prix. During the knockout stage of the 2019–20 season, Heineken 0,0% became the official beer of the UEFA Europa League as the season resumed followed with the start of the 2020–21 season.