WTA Championships Draw: Victoria Azarenka to face Serena Williams

Victoria Azarenka will be aiming to avenge her US Open final defeat by Serena Williams when they compete in the Red Group at the WTA Championships.

They will also face Li Na and Angelique Kerber in the round-robin stage at the season-ending event in Istanbul.

In the White Group, Russia's Maria Sharapova will compete against defending champion Petra Kvitova, Agnieszka Radwanska and Sara Errani.

The competition starts on Tuesday, with two from each group reaching the semis.

Source: BBC