Brazilian 18-year-old Joao Fonseca defeated Argentine fifth seed Francisco Cerundolo 6-4, 7-6 (1) to win his first ATP Tour title at the IEB+ Argentina Open on Sunday in Buenos Aires. Fonseca is the youngest South American player to win a tournament in the ATP Tour era,

Teenager João Fonseca won his first ATP Tour title at the Argentina Open on Sunday, announcing himself as one of tennis’ brightest talents.

One of the most interesting topics in this start of 2025 is certainly the rise of Joao Fonseca. The young Brazilian ace is continuing to impress everyone with his brilliant performances and had defeated a Top 10 player like Andrey Rublev at the Australian Open, leaving the whole world speechless.