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.

The tennis community raised their eyebrows after watching 18-year-old Brazilian star Joao Fonseca in his first Australian Open. The younger qualifier upset Andrey Rublev, the ninth-ranked player globally,

The Australian Open, one of tennis’ grandest stages, often serves as the launch pad for future stars. Though Joao Fonseca, a promising young talent, bowed out early in this year’s tournament, his performance and potential have sparked significant interest among fans and analysts alike.

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

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.

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,

Melbourne: Carlos Alcaraz tipped giant-killing teenager Joao Fonseca to “really soon” be one of the best players in the world while Novak Djokovic said Wednesday he saw shades of his younger self in the Brazilian.

By Shrivathsa Sridhar MELBOURNE (Reuters) -Endless queues outside Melbourne Park's 1573 Arena on a sunny Thursday afternoon gave casual fans the impression that a Grand Slam champion was in action, but a quick peek inside revealed the carnival atmosphere and explained the interest.

It is the teenager’s time to shine at the Australian Open. Two of the youngest players in the men’s singles draw have made some of the biggest headlines, with Joao Fonseca and Jakub Mensik starring in Melbourne.