Klara Zakopalova of the Czech Republic reacts during her match against Kurumi Nara of Japan during the  Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb.23, 2014. (AP Photo/Silvia Izquierdo)

Brazil Rio Open Tennis

Klara Zakopalova of the Czech Republic reacts during her match against Kurumi Nara of Japan during the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb.23, 2014. (AP Photo/Silvia Izquierdo)

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