Spanish tennis teenage sensation Carlos Alcaraz claimed his maiden Grand Slam title at the US Open on Sunday night to become the youngest man ever to be ranked world No 1.

Alcaraz and his opponent Casper Ruud went into the match with both bidding for their first Grand Slam title and to top the rankings, but it was the 19-year-old who came out on top, winning 6-4 2-6 7-6 (7-1) 6-3 on Arthur Ashe Stadium.

The Spanish rising star who is a year younger than Lleyton Hewitt when he topped the standings in 2001 did it in Nadal like of style.

Alcaraz said he had always dreamt of being the world number since he was a child .

"This is something I dreamed of since I was a young kid. To be number one in the world, to be the champion of a Grand Slam," said Alcaraz.

"All the hard work I did with my team, my family. I'm just 19-years-old so a lot of the decisions are with my team, my parents. It's something that is very special for me."

Ruud vs Alcaraz: Match Stats

4 Aces 14

2 Double Faults 3

66% 1st serve win percentage 74%

65% 2nd serve win percentage 51%

3/10 Break points won 3/11

37 Total winners 55

29 Unforced errors 41

122 Total points won 127

The world youngest grand slam champion Alcaraz, burst into the spotlight last year by reaching the quarter-finals at Flushing Meadows a year ago.

A feat that prepared him and announced his readiness for the big time and the biggest titles which he lifted in the Masters trophies in Miami and Madrid, there he beat Rafael Nadal and Novak Djokovic back to back, in awesome style.