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.

Brazil have known about Fonseca’s talent known for some time, making his ATP Tour debut at his home tournament in Rio as a 16-year-old wildcard. Fonseca also got the chance to be a hitting partner for Alcaraz and Sinner ahead of the ATP Finals in Turin after winning the US Open junior title in 2023.

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.

Joao Fonseca, the 18-year-old Brazilian qualifier, has taken Melbourne by storm with a remarkable upset over 9th seed Andrey Rublev at the Australian Open. He is also getting praise from both Novak Djokovic and Carlos Alcaraz.

The next big thing in tennis? Joao Fonseca praised by Novak Djokovic following his win over Andrey Rublev Carrie Underwood is speaking out after receiving backlash following the announcement that she will be performing at Trump's inauguration. Keep watching to see what she had to say!

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.

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.