Paribas WTA Championships

TurkeyWomen's Tennis AssociationSerena WilliamsLi NaBNP Paribas
Serena Williams of USA celebrates winning a point against Li Na of China before during day two of the season ending TEB BNP Paribas WTA Championships Tennis at the Sinan Erdem Dome on October 24, 2012 in Istanbul, Turkey. Julian Finney, Getty Images
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