(FILES) Brazilian tennis player Guto Miguel takes part in a training session during the Latin American Open tournament, at Jockey Club, in Sao Paulo, Brazil, on March 24, 2026. The rise of teenage tennis star Joao Fonseca -- who pulled off a stunning win over Serbian great Novak Djokovic at Roland Garros -- has fueled a tennis fever among the youth in his home country, Brazil. (Photo by Nelson ALMEIDA / AFP via Getty Images)