High Quality Content by WIKIPEDIA articles! 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-7 series for conference quarterfinals, semifinals and championships, and then the conference champions played a best-of-7 series for the Stanley Cup. The series ended on June 6, 2007, with the Anaheim Ducks defeating the Ottawa Senators four games to one to win their first ever championship.