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Chile's Christian Garin returns the ball to Argentina's Diego Schwartzman during their Davis Cup Americas Zone Group I second round match at the Aldo Cantoni stadium in San Juan, Argentina, on April 6, 2018. / AFP PHOTO / Andres Larrovere (Photo credit should read ANDRES LARROVERE/AFP/Getty Images)

Chile's Christian Garin returns the ball to Argentina's Diego Schwartzman during their Davis Cup Americas Zone Group I second round match at the Aldo Cantoni stadium in San Juan, Argentina, on April 6, 2018. / AFP PHOTO / Andres Larrovere        (Photo credit should read ANDRES LARROVERE/AFP/Getty Images)