Carlos Alcaraz defeated Casper Ruud in the U.S. Open final to earn his first Grand Slam at age 19 and become the youngest man to move up to No. 1 in the rankings.
Carlos Alcaraz defeated Casper Ruud in the U.S. Open final to earn his first Grand Slam at age 19 and become the youngest man to move up to No. 1 in the rankings.