Roger Federer vs Juan Martin Del Potro - ATP Dubai 2012. Highlights

Rafael Nadal defeats Roger Federer.

Roger Federer celebrates his 37th birthday away from the ATP Tour. He withdrawn from this week Toronto Masters 1000.

Kokkinakis-Harrison handshake and some chatter in Cincinnati

Furious at losing the second set of the final against Andy Murray, Novak Djokovic yells at his camps . A reaction that surprises and scares the ball boy came to bring him his towel . The chair umpire then sanctioned him and the Serbian apologized in the end .

Final day at the Australian Open. Roger Federer faces Marin Cilic in Melbourne. Game on !