Czech Republic

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Tomas Berdych of the Czech Republic returns the ball to Marius Copil of Romania during the second round of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Tuesday, Feb. 25, 2014. (AP Photo/Kamran Jebreili)

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Tomas Berdych of the Czech Republic returns the ball to Marius Copil of Romania during the second round of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Tuesday, Feb. 25, 2014. (AP Photo/Kamran Jebreili)

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Czech Republic forward Jaromir Jagr sits on the boards waiting to enter the game during the third period of men's quarterfinal hockey game against the United States in Shayba Arena at the 2014 Winter Olympics, Wednesday, Feb. 19, 2014, in Sochi, Russia. (AP Photo/David J. Phillip )

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Kurumi Nara of Japan, returns the ball to Klara Zakopalova of the Czech Republic during the finals at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb.23, 2014. (AP Photo/Silvia Izquierdo)

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

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Kurumi Nara of Japan, returns to Klara Zakopalova of the Czech Republic during the finals at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb.23, 2014. (AP Photo/Silvia Izquierdo)

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Klara Zakopalova of the Czech Republic serves to Teliana Pereira of Brazil at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Saturday, Feb. 22, 2014. (AP Photo/Leo Correa)

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Teliana Pereira of Brazil returns the ball to Klara Zakopalova of the Czech Republic at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Saturday, Feb. 22, 2014. (AP Photo/Leo Correa)

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Klara Zakopalova of the Czech Republic returns the ball to Teliana Pereira of Brazil at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Saturday, Feb. 22, 2014. (AP Photo/Leo Correa)