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 .

Rafael Nadal defeats Roger Federer.

Ka. Pliskova broke the umpire's chair after an unbelievable mistake from that umpire

Kokkinakis-Harrison handshake and some chatter in Cincinnati

Roger Federer beats Andy Murray in Dubai and wins his second titel in 2012.

Dominic Thiem faces Novak Djokovic this Sunday in Australian Open final. Here is the official preview of this clash at the top of tennis.