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Angelique Kerber of Germany plays a shot in her quarterfinal match against Elina Svitolina of Ukraine during the Brisbane International tennis tournament in Brisbane, Australia, Thursday, Jan. 8, 2015. (AP Photo/Tertius Pickard
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Japan's Shingo Kunieda celebrates winning the gold medal against the Netherlands' Robin Ammerlaan after their wheelchair tennis men's single finals at the Beijing 2008 Paralympic Games September 15, 2008. REUTERS/Claro Cortes IV (
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