Carlos Alcaraz celebrates his first Grand Slam triumph in Times Square.

Carlos Alcaraz won the US Open on Sunday and with it, climbed to No. 1 in the Pepperstone ATP Rankings.

Juan Carlos Ferrero and Carlos Alcaraz celebrate the 19-year-old's title run in New York.

Carlos Alcaraz flashes his trademark smile after winning the US Open.

Carlos Alcaraz celebrates his US Open victory after defeating Casper Ruud in four sets in the final.

Carlos Alcaraz lays claim to the US Open trophy.

Carlos Alcaraz celebrates on championship point as he wins the US Open.

Casper Ruud is aiming to become the first Norwegian to rise to No. 1 in the history of the Pepperstone ATP Rankings (since 1973).

The 19-year-old Carlos Alcaraz has become the youngest No. 1 in the history of the Pepperstone ATP Rankings (since 1973).

John Peers and Storm Sanders lift the US Open Mixed Doubles title in their first tournament playing together.

Carlos Alcaraz defeats Frances Tiafoe on Friday to reach his maiden Grand Slam final at the US Open.

Frances Tiafoe falls to a five-set semi-final defeat against Carlos Alcaraz at the US Open in New York on Friday night.

Carlos Alcaraz celebrates passage to his first Grand Slam final at the US Open.

Carlos Alcaraz defeats Frances Tiafoe on Friday evening at Flushing Meadows to reach his first Grand Slam final.

Casper Ruud defeats Karen Khachanov in four sets to reach his first US Open final.

Casper Ruud is seeking his first Grand Slam title this weekend in New York.

Rajeev Ram and Joe Salisbury defeat Wesley Koolhof and Neal Skupski to win the US Open.

Joe Salisbury and Rajeev Ram defeat Juan Sebastian Cabal and Robert Farah on Thursday in New York.

Jannik Sinner falls to Carlos Alcaraz in New York in the early hours of Thursday morning.

Jannik Sinner and Carlos Alcaraz battled for five hours and 15 minutes on Arthur Ashe Stadium.

Carlos Alcaraz defeats Jannik Sinner in a five-hour, 15-minute classic.

Frances Tiafoe in action against Andrey Rublev in the US Open semi-finals on Wednesday.

Nick Kyrgios is edged out by 27th seed Karen Khachanov in the US Open quarter-finals in New York.

Nick Kyrgios falls to Karen Khachanov in the quarter-finals of the US Open.

Defending champions Joe Salisbury and Rajeev Ram advance to the semi-finals in New York on Tuesday.