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Victoria Azarenka of Belarus serves to Caroline Wozniacki of Denmark during their WTA Tour Championships tennis match in Doha October 28, 2009. REUTERS/Fadi Al-Assaad (QATAR SPORT TENNIS Stock Photo - Alamy
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In the footsteps of Navratilova, Graf and Serena: Wozniacki joins an elite list of WTA Finals champions
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