Russian Andrey Rublev, seeded ninth, was upset by qualifier Joao Fonseca, an 18-year-old from Brazil. He stormed into his Grand Slam main draw debut, stunning Rublev 7-6 (1), 6-3, 7-6 (5) in two hours and 23 minutes.

Brazilian teenager Joao Fonseca knocks out ninth seed Andrey Rublev in the Australian Open first round, but who is tennis' latest star?

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.

Daniil Medvedev ripped 24 aces and converted six break points to outlast Kasidit Samrej in a 3-hour, 8-minute first-round victory Tuesday at the 2025 Australian Open. No. 9 Andrey Rublev was the latest upset victim.

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.

Qualifier Joao Fonseca stunned ninth seed Andey Rublev on his grand slam debut at the Australian Open to extend his winning streak to 14 matches. The 18-year-old Brazilian, who is quickly becoming a superstar in his home country, won the ATP’s NextGen ...

Now feeling excited about the 2025 season, Rublev will be hoping to show a new version of himself at the Australian Open. But he has a tough test in the opening round as he takes on teen sensation Joao Fonseca who recently won the Next Gen ATP Finals and the Canberra Challenger.

Coco Gauff declared herself a fan of Joao Fonseca and acknowledged that she has been following the Brazilian's career since she first encountered him at the 2023 US Open.

Andrey Rublev has opened up about seeking Daniil Medvedev's advice on managing his emotions after watching his compatriot successfully overcome those issues.

Joao Fonseca (No. 113) will meet Andrey Rublev (No. 9) in the Round of 128 at the Australian Open on Saturday, January 11.Rublev’s last match was a win, 6-4, 7-5, over Alejandro Davidovich

We wrap up the first round of the Australian Open on Day 3, with 20 men’s matches on the schedule. As always, our writers here at LastWordOnTennis share their thoughts on every single match with you.

Teenage sensation Joao Fonseca announced himself on the big stage by knocking out ninth seed Andrey Rublev in the first round of the Australian Open.