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.

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

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.