Updated On: 15 January, 2025 08:15 AM IST | Melbourne | AFP
Fonseca last month became the second-youngest winner of the NextGen ATP event since current World No.1 Jannik Sinner claimed the title, also aged 18, five years ago

Andrey Rublev
Fearless teenage qualifier Joao Fonseca beat ninth seed Andrey Rublev on his Grand Slam debut on Tuesday in the biggest shock of the Australian Open so far.
Roared on in Melbourne by Brazilian fans decked out in yellow, the prodigious 18-year-old appeared totally unfazed as he stunned the Russian 7-6 (7/1), 6-3, 7-6 (7/5).