Svetlana Kuznetsova cuts her hair in middle of win over defending champion Agnieszka Radwanska

Defending champion Agnieszka Radwanska lost her first match of the WTA Finals in Singapore, with Svetlana Kuznetsova surviving match point to score the upset.

Agnieszka Radwanska lost her first match of the WTA Finals in Singapore, with Svetlana Kuznetsova surviving match point to score the upset.

Kuznetsova landed less than 48 hours before her first match having only qualified by winning Kremlin Cup in Moscow on Saturday, but completed a fine 7-5 1-6 7-5 win.