In his first-ever Grand Slam match, Fonseca defeated World No. 9 Andrey Rublev in straight sets: 7-6 (1), 6-3, 7-6 (5). The match was evenly contested, but Fonseca was dominant with his power and agility.

Brazilian teenager Joao Fonseca began his Grand Slam career in spectacular fashion as the qualifier took down Russian ninth seed Andrey Rublev 7-6(1) 6-3 7-6(5) in the first round of the Australian Open on Tuesday.

Joao Fonseca definitively introduced himself to the world as the latest teen sensation in men’s tennis, upsetting No. 9 seed Andrey Rublev in the first round of the Australian Open.

Brazilian tennis prodigy Joao Fonseca, one of the breakout stars of the 2025 Australian Open, has revealed who inspired him to take up the sport.

Grand Slam giant killings do not come much more sizeable than Joao Fonseca's stunning straight sets victory over Andrey Rublev at the Australian Open.

Q. Has Andrey Rublev won a Grand Slam? - + A. No, Andrey Rublev has not won a Grand Slam in his career so far. Q. Who coaches Andrey Rublev? - + A. Fernando Vicente is Andrey Rublev’s coach.

Carlos Alcaraz says Joao Fonseca will be on the "list of the best players in the world" after the teenager knocked out ninth seed Andrey Rublev at the Australian Open.

Rising Brazilian tennis star Joao Fonseca has made a stunning debut on the Grand Slam circuit, defeating Andrey Rublev at the 2025 Australian Open. This is Rublev's first opening-round defeat at Melbourne Park since 2019.

Joao Fonseca has been waiting for his chance to play on the biggest stages of tennis, and what a way to arrive. The 18-year-old qualifier upset world No.9 Andrey Rublev in straight sets to claim his maiden Grand Slam win.

MELBOURNE (Reuters) -Brazilian teenager Joao Fonseca launched his Grand Slam career in spectacular fashion as the qualifier took down Russian ninth seed Andrey Rublev 7-6(1) 6-3 7-6(5) in the opening round of the Australian Open on Tuesday.

Rublev could do little to stem the flow of brilliance across the net, with Fonseca winning 7-6(1) 6-3 7-6(5). Read more at straitstimes.com.

The Brazilian teenager has long been touted as the next big thing in tennis and he proved his supporters right by winning the Next Gen ATP Finals in December - a tournament for top players under the age of 21, which has previously been won by Carlos Alcaraz and Jannik Sinner.