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.

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 ...

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 ...