Singapore: Petra Kvitova and Agnieszka Radwanska turned the WTA Finals on its head on Saturday as they ousted in-form Maria Sharapova and Garbine Muguruza to set up a surprise title match in Singapore.


Petra Kvitova and Agnieszka Radwanska. Pics/AFP

Kvitova had scraped into the semis after winning just one match in the round-robin phase, but she stunned five-time Grand Slam champion Sharapova 6-3, 7-6 (7/3) to earn a shot at her second year-ending trophy.