Highlights of the WTA Championships 2012 in Istanbul third day of competition. (2012-10-25)

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 .

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

Novak Djokovic wins the longest Grand Slam final in history, overcoming Rafael Nadal in an epic five-set encounter.

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