ATP Finals in Turin, Joao Fonseca, still a baby-faced teenager, soaking in excitement at the seismic opportunity of hitting ...

Joao Fonseca, 18, wins his first ATP Tour title at the Argentina Open, drawing commendations from peers like Carlos Alcaraz ...

Joao Fonseca became the youngest Brazilian to win an ATP tournament after the 18-year-old captured the Argentina Open title with a 6-4 7-6 (1) win over home favourite Francisco Cerundolo.