Carlos Alcaraz used his combination of moxie and maturity to beat Casper Ruud 6-4, 2-6, 7-6 (1), 6-3 in the U.S.
Open final on Sunday to earn his first Grand Slam title at age 19 and become the youngest man to be ranked No. 1.
Alcaraz is the youngest-ever world number one since ATP rankings began in 1973.
Alcaraz, 19, fell to his back and cupped his hands to his face, rolling over before jumping up to offer a hug at the net to Ruud.
