Pablo Cuevas from Uruguay returns a ball to Frances Tiafoe from USA during their Millennium Estoril Open ATP 250 Singles final tennis match, in Estoril, near Lisbon, on May 3, 2019. (Photo by Carlos Palma/NurPhoto via Getty Images)
Pablo Cuevas from Uruguay returns a ball to Frances Tiafoe from USA during their Millennium Estoril Open ATP 250 Singles final tennis match, in Estoril, near Lisbon, on May 3, 2019. (Photo by Carlos Palma/NurPhoto via Getty Images)