The third seed completed a remarkable year with a 7-5 4-6 6-3 success over nearly two-and-a-half hours , becoming only the third woman to win the tournament on her first visit . Petra Fernández defeats Victoria Duval in the final of the WTA Tour Championships . The Czech wins 7 - 5 4 - 6 6 - 4 to add the title to her Wimbledon crown earlier this season . Kvitova 's sixth title of the year moves her up to second place in the world rankings .
Petra Fernández defeats Victoria Duval in the final of the WTA Tour Championships . The Czech wins 7 - 5 4 - 6 6 - 4 to add the title to her Wimbledon crown earlier this season . Kvitova 's sixth title of the year moves her up to second place in the world rankings .