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

Federer, Monfils, Dimitrov, Murray, Kyrgios, Seppi, Radwanska... The best shots of week 1 in Melbourne.

First helped by the net, Nadal then has incredible reflexes to stay in the rally and win the point. Nicolas Almagro is totally disappointed in the end.

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

First domineering but then dominated after a wonderful drop shot-lob combination from Monica Niculescu, Serena Williams manages to stay in the point in-extremis and concludes with authority in the end.

Grigor Dimitrov: ''It feels so great to win in such a manner. And my body responds well so... moving on.''