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.

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

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.