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Wozniacki into semis

World number one Caroline Wozniacki today hit back from a set down to finally break the resolve of Francesca Schiavone and move into the Australian Open semi-finals.

Italian Schiavone, who needed four hours and 44 minutes to squeeze past Svetlana Kuznetsova in the longest women's match in grand slam history in the previous round, fought valiantly but ran out of gas after a fine start to go down 3-6 6-3 6-3 .

Credit to Dane Wozniacki. A set and a break down, it would have been easy for her to start doubting herself and give in to those who have questioned the 20-year-old's ability to win a major despite rising to the top of the world rankings.

But she kept her composure and waited for 30-year-old Schiavone to tire, which she inevitably did.

The top seed goes on to a meeting with Li Na, who ended Andrea Petkovic's run earlier, although Schiavone will take most of the plaudits.

"Francesca is such a fighter," admitted a relieved Wozniacki.

"She started really well and I didn't have my timing at the beginning but I fought back and I am so happy to have won the match."