Ivanovic vs. Petrova in Bali semifinals (AP)

Written by: on 3rd November 2011
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Defending champion Ana Ivanovic of Serbia set up a semifinal against Nadia Petrova of Russia after winning her opening match at the Tournament of Champions on Thursday. Ivanovic defeated fourth-seeded Roberta Vinci of Italy 6-3, 6-3, and Petrova topped second-seeded Peng Shuai of China 6-4, 6-3. Ivanovic had a foot problem, while Petrova was bothered by a neck injury.