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,

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.

Rising tennis star João Fonseca has finished what he called “an unbelievable week” with a straight sets victory over Francisco Cerúndolo in the final of the Argentina Open to claim his first tour-level title.

Teenage tennis sensation João Fonseca frustrated his home fans at the Rio Open in a first-round loss two days after winning his first ATP title. Fonseca lost 6-1, 7-6 (4) to Alexandre Muller of France on Tuesday.

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

Regardless of ranking and seedings, the story of this year’s Golden Swing is Joao Fonseca. He would have been the main narrative even if he was losing, but the Brazilian clinched his maiden ATP Tour title.