WTA Championship

Oct 28, 2013, 08:50 AM IST
Serena Williams of the USA holds up the trophy after her victory over Li Na of China in the final of the WTA Championship in Istanbul, Turkey.
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Serena Williams of the USA holds up the trophy after her victory over Li Na of China in the final of the WTA Championship in Istanbul, Turkey.

Serena Williams of the USA holds her trophy after her victory over Li Na of China, left, in the final of the WTA Championship in Istanbul, Turkey.
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Serena Williams of the USA holds her trophy after her victory over Li Na of China, left, in the final of the WTA Championship in Istanbul, Turkey.

Serena Williams of the U.S prepares to return a shot to Li Na of China during their final tennis match at the WTA Championship in Istanbul, Turkey.
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Serena Williams of the U.S prepares to return a shot to Li Na of China during their final tennis match at the WTA Championship in Istanbul, Turkey.

Serena Williams of the U.S returns a shot to Li Na of China during their final tennis match at the WTA Championship in Istanbul, Turkey.
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Serena Williams of the U.S returns a shot to Li Na of China during their final tennis match at the WTA Championship in Istanbul, Turkey.

Li Na of China returns a shot to Serena Williams of the U.S during their final tennis match at the WTA Championship in Istanbul, Turkey.
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Li Na of China returns a shot to Serena Williams of the U.S during their final tennis match at the WTA Championship in Istanbul, Turkey.

Li Na of China shouts after defeating Petra Kvitova of Czech Republic during their semifinal tennis match at the WTA Championship in Istanbul, Turkey.
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Li Na of China shouts after defeating Petra Kvitova of Czech Republic during their semifinal tennis match at the WTA Championship in Istanbul, Turkey.

Jelena Jankovic of Serbia returns a shot to Sara Errani of Italy during their tennis match at the WTA Championship in Istanbul, Turkey.
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Jelena Jankovic of Serbia returns a shot to Sara Errani of Italy during their tennis match at the WTA Championship in Istanbul, Turkey.

Victoria Azarenka of Belarus lies on the ground after she was injured during her tennis match with Li Na of China at the WTA Championship in Istanbul, Turkey.
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Victoria Azarenka of Belarus lies on the ground after she was injured during her tennis match with Li Na of China at the WTA Championship in Istanbul, Turkey.

Angelique Kerber of Germany returns a shot to Petra Kvitova of Czech Republic during their tennis match at the WTA Championship in Istanbul, Turkey.
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Angelique Kerber of Germany returns a shot to Petra Kvitova of Czech Republic during their tennis match at the WTA Championship in Istanbul, Turkey.