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BUENOS AIRES, ARGENTINA - MARCH 01: Workers try to dry out the pitch during a singles final match between Rafael Nadal of Spain and Juan Monaco of Argentina as part of ATP Argentina Open at Buenos Aires Lawn Tennis Club on March 01, 2015 in Buenos Aires, Argentina. (Photo by Gabriel Rossi/LatinContent via Getty Images)

BUENOS AIRES, ARGENTINA - MARCH 01:  Workers try to dry out the pitch during a singles final match between Rafael Nadal of Spain and Juan Monaco of Argentina as part of ATP Argentina Open at Buenos Aires Lawn Tennis Club on March 01, 2015 in Buenos Aires, Argentina. (Photo by Gabriel Rossi/LatinContent via Getty Images)