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.

Teenage rising star Joao Fonseca said nerves got the better of him after being bundled out of the Australian Open 2025 by Italian Lorenzo Sonego in a five-set thriller on Thursday. The highly rated Brazilian,

Fonseca has long looked like a star-in-waiting. Under pressure in his first Grand Slam set, he delivered beyond those lofty expectations

The 18-year-old qualifier became the talk of the town after beating ninth seed Andrey Rublev in the first round. Read more at straitstimes.com.

Fonseca was part of the 2024 lineup alongside Fils and Luca Van Assche of France; Michelsen, eventual finalist Learner Tien and Nishesh Basavareddy of the U.S.; Jakub Mensik of the Czech Republic and Shang Juncheng of China, who also goes by his Americanized name, Jerry Shang.

The 18-year-old produced a stunning first-round victory over world number nine Andrey Rublev in the first round in Melbourne before losing in five sets to Lorenzo Sonego at the next stage

Joao Fonseca delivered what he described as a 'rude' response to Novak Djokovic 's comments after becoming the breakthrough star of the Australian Open. Fonseca delivered a sensational display to stun Andrey Rublev in straight sets, beating the world No. 9 7-6 (1), 6-3, 7-6 (5) in the opening round on Tuesday.

Fonseca, Fonseca, Fonseca. You’ve gotta watch Fonseca. It’s all I kept hearing. Fonseca’s a freak. Fonseca’ll be in the next Big Three. I clocked off work and grabbed a cold one late on Tuesday night to watch Joao Fonseca obliterate Andrey Rublev.

Novak Djokovic sees a bit of himself as a young player in rising teenager Joao Fonseca and particularly welcomed the prospect of a top talent coming out of Brazil.

Joao Fonseca has become the talk of the town in Melbourne after causing a big upset at the Australian Open. The 18-year-old qualifier stunned No. 9 seed Andrey Rublev in straight sets as he made his Grand Slam main draw debut on Tuesday.