João Fonseca, the 18-year-old Brazilian tennis sensation, has claimed his first ATP Tour title at the Argentina Open in Buenos Aires. Fonseca’s victory came after a thrilling match against local favorite Francisco Cerúndolo, which he won in straight sets, 6-4, 7-6 (1).

Fonseca’s journey to the title was marked by impressive performances, including victories over several top players. His aggressive and versatile playing style has drawn comparisons to contemporaries like Carlos Alcaraz and Jannik Sinner. Fonseca’s powerful groundstrokes and on-court maturity have made him a formidable opponent, even against seasoned players.

Here is a video of the most important moment of his fantastic tournament.

Joao Fonseca in 2025

Ranked no.68 (career-high), Joao played his last match on the 16^th

of February when he overcame world no.26 Francisco Cerundolo 6-4 7-6(1) in the final in Buenos Aires to win his 2^nd career title.

This year Joao has a compiled 14-2 match record. Fonseca has won 2 titles in 2025 in the Canberra Challenger and Buenos Aires.