Top seed Ana Ivanovic opened her 2009 season with a straight-set victory over Petra Kvitova in the first round of the Brisbane International.
The 21-year-old Serb was too strong for her Czech opponent, and scored a comfortable 6-4 6-2 win.
It was Ivanovic’s first match since she split with Sven Groenefeld, the coach who took her to 2008 Roland Garros title.
World No.5 Ivanovic will next face Italian qualifier Roberta Vinci.
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