
Diego Schwartzman of Argentina returns the ball to Rafael Nadal of Spain during a quarterfinal match at the ATP World Tour Masters Monte Carlo in Roquebrune-Cap-Martin, on April 21, 2017. Rafael Nadal won 2-0. (Xinhua/Philippe Fitte)

Diego Schwartzman of Argentina returns the ball to Rafael Nadal of Spain during a quarterfinal match at the ATP World Tour Masters Monte Carlo in Roquebrune-Cap-Martin, on April 21, 2017. Rafael Nadal won 2-0. (Xinhua/Philippe Fitte)