Azarenka rebounded from a poor second set to record a hotly contested 7-6 (8-6), 2-6, 6-3 victory over Williams, who -- thanks to her victory in Friday's quarterfinal -- will replace the Belarusian as the world's top-ranked player in this week's rankings.
Azarenka, however, showed her mettle Sunday as she ran her season's record to 14-0 while breaking a nine-match losing streak to Williams.
She improved to 2-11 lifetime mark against the American, winning for the first time since the pair met in the final of the 2009 event in Miami.
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