RIO DE JANEIRO, BRAZIL - FEBRUARY 22: Casper Ruud of Norway returns a shot to Laslo Dere of Serbia during the ATP Rio Open 2019 at Jockey Club Brasileiro on February 22, 2019 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)
RIO DE JANEIRO, BRAZIL - FEBRUARY 22: Casper Ruud of Norway returns a shot to Laslo Dere of Serbia during the ATP Rio Open 2019 at Jockey Club Brasileiro on February 22, 2019 in Rio de Janeiro, Brazil. (Photo by Buda Mendes/Getty Images)