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RIO DE JANEIRO, BRAZIL - FEBRUARY 24 Dominic Thiem of Austria celebrates a point against Diego Schwartzman of Argentina during the quarter finals of the ATP Rio Open 2017 at Jockey Club Brasileiro on February 24, 2017 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)

RIO DE JANEIRO, BRAZIL - FEBRUARY 24 Dominic Thiem of Austria celebrates a point against Diego Schwartzman of Argentina during the quarter finals of the ATP Rio Open 2017 at Jockey Club Brasileiro on February 24, 2017 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)