One of his likely rivals in the near future also spoke about Fonseca’s title in Buenos Aires. “Impressive, Joao,” Carlos Alcaraz, the 21-year-old, four-time major champion, posted X.

Joao Fonseca of Brazil with the trophy after his men's singles final win over Francisco Cerundolo at IEB+ Argentina Open 2025. / IMAGO / NurPhoto Tennis fans who do not yet know much about Joao ...

BUENOS AIRES, Argentina -- Rising tennis star Joao Fonseca finished "an unbelievable week" with a straight-sets victory over Francisco Cerundolo in the Argentina Open final on Sunday to claim his ...

Fonseca will rise to No. 68 in the rankings on Monday. Brazil's Joao Fonseca celebrates after defeating Argentina's Francisco Cerundolo during a men's doubles final match at the Argentina Open ATP ...