Daniel Gimeno-Traver

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Stanislas Wawrinka, of Switzerland, returns to Daniel Gimeno-Traver, of Spain, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)

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Daniel Gimeno-Traver, of Spain, returns to Stanislas Wawrinka, of Switzerland, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)

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Stanislas Wawrinka, of Switzerland, keeps his eyes on the ball as he prepares to hit a shot to Daniel Gimeno-Traver, of Spain, during a match at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)

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Rafael Nadal of Spain returns the ball to Daniel Gimeno-Traver of Spain at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Tuesday, Feb. 18, 2014. (AP Photo/Silvia Izquierdo)

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Rafael Nadal of Spain gestures during his game against Daniel Gimeno-Traver of Spain at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Tuesday, Feb. 18, 2014. (AP Photo/Silvia Izquierdo)

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Rafael Nadal of Spain serves the ball to Daniel Gimeno-Traver of Spain at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Tuesday, Feb. 18, 2014. (AP Photo/Silvia Izquierdo)

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Rafael Nadal of Spain gestures during his game with Daniel Gimeno-Traver of Spain at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Tuesday, Feb. 18, 2014. (AP Photo/Silvia Izquierdo)

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Rafael Nadal of Spain returns the ball to Daniel Gimeno-Traver of Spain at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Tuesday, Feb. 18, 2014. (AP Photo/Silvia Izquierdo)