Rafael Nadal defeats Roger Federer.

Highlights of the WTA Championships 2012 in Istanbul fourth day of competition. (2012-10-26)

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

The favourites get the job done on Day 10, with Maria Sharapova, Petra Kvitova and Andy Murray advancing to the semis.

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