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ISTANBUL, Turkey - The eight competitors at the TEB BNP Paribas WTA Tennis Damen Championships were split into their two round robin groups at the official draw ceremony Sunday night, with play set to begin at the 4.9-million year-end finale on Tuesday. 23.10.2011 RED GROUP: Carolina Wozniacki (3.L), Petra Kvitova (5.L), Vera Zvonareva (4.R), Agnieszka Radwanska WHITE GROUP: Maria Sharapova (4.L),Victoria Azarenka, Li Na (5.R), Samantha Stosur (3.R) Pictured: Caroline Wozniacki of Denmark, Maria Sharapova of Russia, Petra Kvitova of the Czech Republic, Na Li of China, Vera Zvonareva of Russia, Samantha Stosur of Poland, Agnieszka Radwanska of Poland.