Angelique Kerber of Germany throws her arms in the air in her first round match against Kaia Kanepi of Estonia during the Sydney International tennis tournament in Sydney, Australia, Tuesday, Jan. 7, 2014. (AP Photo/Rob Griffith)

Australia Tennis Sydney International

Angelique Kerber of Germany throws her arms in the air in her first round match against Kaia Kanepi of Estonia during the Sydney International tennis tournament in Sydney, Australia, Tuesday, Jan. 7, 2014. (AP Photo/Rob Griffith)

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