João Fonseca is an 18-year-old Brazilian tennis prodigy who has rapidly ascended the ATP rankings with a series of impressive performances. At the 2025 Miami Open, Fonseca notably defeated Learner Tien in a thrilling first-round match, showcasing his resilience and skill. He later pushed Alex de Minaur to a three-set battle, highlighting his potential on the ATP Tour.
In 2024, Fonseca’s breakthrough year included winning the Next Gen ATP Finals and the US Open junior title, solidifying his status as one of tennis’s most promising young talents.
His rapid rise has drawn comparisons to established stars like Carlos Alcaraz and Jannik Sinner. Even Novak Djokovic has praised Fonseca, referring to him as a “future superstar” of the sport.
Fonseca’s playing style is characterized by a powerful forehand, a strong serve, and a composed demeanor on the court. His quick adaptation to the professional circuit and his ability to compete at the highest levels have garnered significant attention, positioning him as a rising star to watch in the coming years.