RIO DE JANEIRO, BRAZIL - FEBRUARY 20: Rafael Nadal of Spain returns a shot to Palo Cuevas of Uraguay during the Rio Open at Jockey Club Brasileiro on February 20, 2016 in Rio de Janeiro, Brazil. (Photo by Matthew Stockman/Getty Images)
RIO DE JANEIRO, BRAZIL - FEBRUARY 20: Rafael Nadal of Spain returns a shot to Palo Cuevas of Uraguay during the Rio Open at Jockey Club Brasileiro on February 20, 2016 in Rio de Janeiro, Brazil. (Photo by Matthew Stockman/Getty Images)