Robson upsets Kvitova after a three hour marathon

Britain's Laura Robson knocked out the 2011 Wimbledon champion Petra Kvitova of the Czech Republic in a three hour marathon match on Rod Laver Arena. After failing the first set 6-2 to the Czech Robson managed to fight back and clinch the second 6-3. Kvitova had a 3-0 lead in the decider but Robson managed break back and hang in with Kvitova before eventually coming up wi a 2-6,6-3,11-9 victory. Robson will face Sloane Stephens of the USA in round 3.