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. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Nelson ALMEIDA / AFP via Getty Images)

Brazilian tennis player Bruno Rodrigues takes part in a training session in an academy in Sao Bernardo do Campo, Sao Paulo, Brazil on April 9, 2026. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazilian tennis players Igor Gimenez and Bruno Rodrigues take part in a training session in an academy in Sao Bernardo do Campo, Sao Paulo, Brazil on April 9, 2026. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

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. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Nelson ALMEIDA / AFP via Getty Images)

Brazilian tennis player Rafael Finetto takes part in a training session in an academy in Sao Bernardo do Campo, Sao Paulo, Brazil on April 9, 2026. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

Brazilian tennis player Rafael Finetto takes part in a training session in an academy in Sao Bernardo do Campo, Sao Paulo, Brazil on April 9, 2026. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)

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. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Nelson ALMEIDA / AFP via Getty Images)

Brazilian tennis player Bruno Rodrigues takes part in a training session in an academy in Sao Bernardo do Campo, Sao Paulo, Brazil on April 9, 2026. "More and more youngsters" dream of becoming professional tennis players in the football-mad country, coach Juninho Nascimento tells AFP, pointing to a "Fonseca boom", a reference to Brazilian tennis player Joao Fonseca, marked by a surge in registrations for children's and youth tournaments. (Photo by Miguel SCHINCARIOL / AFP via Getty Images)