The 26-year-old, making her 10th straight appearance at the year’s opening Grand Slam, beat the Netherlands’ Kiki Bertens 6-4, 6-4 to stay on track for a possible Round Four clash with Serena Williams.
“The draw is tough for me, but I’m playing well and that’s all I can do. It was a very up and down match, a lot of nerves, but I am happy and thrilled to be through,” Ivanovic said.
Other important results (women)
> Li Na (4) bt Ana Konjuh 6-2, 6-0
> Angelique Kerber (9) bt Jarmila Gajdosova 6-3, 0-6, 6-2
> Sabine Lisicki (15) bt Mirjana Lucic-Baroni 6-2, 6-1
> Julia Goerges bt Sara Errani (7) 6-3, 6-2
> Zheng Jie bt Roberta Vinci (12) 6-4, 6-3
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