Ivanovic stuns Williams in Melbourne

Serena Williams went out of the Australian Open as a back injury hindered the five-time champion against a rampant Ana Ivanovic. The Serb came back from a set down to win 4-6 6-3 6-3 - her first ever victory over Williams in five attempts. There had been reports before the match that Williams had a back problem, and so it proved. "I almost pulled out. I'm such a competitor, I probably should have," said the world number one. Please turn on JavaScript. Media requires JavaScript tolay. //