No matter how clear the potential, you never truly know what a tennis player is capable of until they have to fight for the biggest points on the biggest occasions.
Alcaraz, the 19-year-old Spanish sensation, beat Casper Ruud of Norway in four sets to capture his first Grand Slam championship and take the top spot in the ATP world rankings.
Sunday’s match is not only a battle for the U.S. Open men’s singles title. It will also determine the next world No. 1, and whoever wins will rise to the top spot for the first time.