João Fonseca has definitively introduced himself to the world as the latest teen sensation in men’s tennis by upsetting No. 9 seed Andrey Rublev 7-6 (1), 6-3, 7-6 (5) in the first round of the Australian Open.

After picking up three consecutive wins to qualify for the Australian Open, Joao Fonseca upset Andrey Rublev in the first round. Fonseca entered the match as the ATP World No. 112 and the heavy underdog. However, tennis fans have watched the 18-year-old ...

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.