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.

Serena's absence gives rivals hope in WTA Finals - Eurosport

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

Serena Williams set for Petra Kvitova battle at WTA Championships, Victoria Azarenka excited, Tennis News

Kvitova stuns Sharapova to reach WTA Finals decider, Tennis

4 things about the WTA Final between Petra Kvitova and Agnieszka Radwanska

Agnieszka Radwanska vs. Petra Kvitova, Full Match

WTA Finals Singapore 2015, Final Preview: Petra Kvitova v Agnieszka Radwanska

Petra Kvitova & Agnieszka Radwanska, WTA Finals 2015 - (WTA…

Agnieszka Radwanska wins WTA Finals in Singapore - Eurosport