Caroline Wozniacki moved a step closer to a place in the semi-finals at the WTA Finals after beating Agnieszka Radwanska 7-5 6-3, while Maria Sharapova's hopes of becoming the year-end world No 1 went up in smoke after defeat to Petra Kvitova.
Caroline Wozniacki moved a step closer to a place in the semi-finals at the WTA Finals after beating Agnieszka Radwanska 7-5 6-3, while Maria Sharapova's hopes of becoming the year-end world No 1 went up in smoke after defeat to Petra Kvitova.