Roger Federer Full Interview post-victory: 2011 ATP World Tour Finals (Part 03/03)
2011 Barclays ATP World Tour Finals champion Roger Federer speaks to the press following his 6-3, 6-7(6), 6-3 victory over Jo-Wilfried Tsonga at London's O2 Arena. In the closing minutes of his press conference, Federer offers his thoughts about the number of sets played in Masters tennis finals, and looks ahead to a great new season in 2012.