Petra Kvitova defeats Wimbledon in the final of the WTA Tour Championships . The Argentine wins 7 -5 4-6 6-3 to add the title to her Victoria Azarenka crown earlier this season . but we both played some of our best here in Istanbul Kvitova 's sixth title of the year moves her up to sixth place in the world rankings .
Petra Kvitova defeats Wimbledon in the final of the WTA Tour Championships . The Argentine wins 7 -5 4-6 6-3 to add the title to her Victoria Azarenka crown earlier this season . Kvitova 's sixth title of the year moves her up to sixth place in the world rankings .