Ana Ivanovic of Serbia was a 3rd-round loser to No. 21 seed, Sara Errani of Italy, 1-6, 7-5, 6-3.
The 13th-seeded Ana, a former top-ranked player who won the French Open title in 2008, committed 37 of her 40 unforced errors in the final two sets. Errani had only 18. Ana started off solidly, but her game deteriorated as the match went on. At one stage in the final set, she hit three double faults in a row.
“In the third set I was creating a lot of opportunities and missing a lot of easy, easy finishing balls,” Ana said. “That’s something that I’m not really happy about.”
Sara, who said her coach had told her to play to Ana’s backhand as much as possible, was delighted with the win. “It is one of my best,” she told a news conference. “She is not top 10 now but she has always been among the top players, so I am very happy.”
Sara will now meet 26th-seeded Russian Svetlana Kuznetsova, another former champion, who knocked out third seed Agnieszka Radwanska of Poland 6-1 6-2.
