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 Stunned by Angelique Kerber in Straight Sets in WTA Finals

Sharapova and Muguruza sweep into last four of WTA championships

Agnieszka Radwanska defeats Petra Kvitova to win WTA Finals title

Fairways and Forehands 2015 WTA, JLPGA and LPGA Top 15 Year In Review: #7 Petra Kvitova, Momoko Ueda and Cristie Kerr

WTA Finals 2015 preview: Halep, Muguruza, Sharapova lead field - Sports Illustrated

WTA Finals: Muguruza records clean sweep, Kvitova scrambles into semis

Muguruza, Radwanska reach last four at WTA Finals - The Japan Times

WTA Finals: Petra Kvitova bt. Lucie Safarova

WTA Finals: Garbine Muguruza, Petra Kvitova reach s-finals from White Group

Tennis: Radwanska beats Kvitova to win 2015 WTA Finals singles crown

WTA Finals 2015: Petra

Petra Kvitová - Wikipedia

WTA Final Singapore Archives - Singapore Event Photographer, Singapore Photography Service

Petra Kvitova Qualifies for WTA Finals