Cibulkova stuns Halep in Singapore
Watch Dominika Cibulkova beat Simona Halep in straight sets to reach the last four of the WTA Tour Finals in Singapore.
Kuznetsova happy with marathon victory
Svetlana Kuznetsova and Karolina Pliskova react to their marathon match in Singapore.
Radwanska: Happy with my win
Agnieszka Radwanska is happy that her Singapore title defence is back on track.