Novak Djokovic has lauded 19-year-old Joao Fonseca as a future superstar, citing his powerful game and composure. While Fonseca's current ranking is modest, he joins a wave of emerging talent, including Jakub Mensik, Ben Shelton, and Holger Rune, poised to challenge the dominance of Carlos Alcaraz and Jannik Sinner.
