The official draw of WTA Tour Championships 2012 was held in Istanbul on Sunday. The tournament held on October 23-28 features the best eight players.
They are divided up into their two round robin groups at the official draw ceremony on Sunday.
Red group: Victoria Azarenka, Serena Williams, Angelique Kerber , Li Na.
White group: Maria Sharapova, Agnieszka Radwanska, Petra Kvitova, Sara Errani.