ATP WORLD TOUR FINALS

Rafael Nadal after his straight-set loss to Novak Djokovic in their semi-final at the ATP World Tour Finals on Saturday.
Andy Murray's battered racket tells the story of his frustration during his 6-7 (4-7), 4-6 loss to Stan Wawrinka at the ATP World Tour Finals.
Novak Djokovic returning against Tomas Berdych during his 6-3, 7-5 win against the Czech during the ATP World Tour Finals in London on Thursday. The Serb is aiming for a record fourth consecutive title.
Roger Federer on his way to a 7-5, 6-2 win against world No. 1 Novak Djokovic in the ATP World Tour Finals in London on Tuesday.