The 2007 Stanley Cup playoffs of the National Hockey League began on April 11, 2007. The sixteen teams that qualified, eight from each conference, played best-of-seven series for conference quarterfinals, semifinals and championships, and then the conference champions played a best-of-seven series for the Stanley Cup. The series ended on June 6 with the Anaheim Ducks defeating the Ottawa Senators in five games to win their first ever championship.