Joao Fonseca Makes History with Argentina Open Victory at 18

The Brazilian rising star becomes the second-youngest South American ATP champion and climbs the rankings after a series of impressive performances.

Joao Fonseca won the 2025 Argentina Open, defeating Francisco Cerundolo in straight sets to claim his first ATP 250 title.
At 18, Fonseca became the second-youngest South American ATP champion in the Open Era, following Guillermo Perez-Roldan.
Fonseca's recent success includes a stunning first-round victory over Andrey Rublev at the Australian Open, earning praise from tennis legends like Novak Djokovic and Carlos Alcaraz.
His victory in Buenos Aires elevated his ATP ranking from 145 to 68, marking a significant leap in his career trajectory.
Tennis greats and fans, including Boris Becker, have highlighted Fonseca's achievements, with some comparing his potential to Carlos Alcaraz.