WTA Finals 2015: Petra

Petra Kvitova and Agnieszka Radwanska advanced to the title match at the WTA Finals Saturday after upset victories in semifinal matches in Singapore.

Petra Kvitova, WTA Finals 2015 - (WTA Year End Championship…

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Petra Kvitova, WTA Finals 2015 - (WTA Year End Championship…

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WTA Finals 2015: Petra