US Open: Carlos Alcaraz meets Casper Ruud in final as world number one spot to be decided

The men's world number one ranking will be on the line on Sunday in the final of the US Open.

The 19-year-old Spaniard is trying to become the youngest top-ranked men's player in the history of the sport.

The first player from his nation would be the world number one.

On Sunday, the pair will meet at the stadium.

The first Grand Slam men's singles final will feature two players who have the chance to become world number one for the first time

• How Alcaraz and Ruud reached the US Open final

The 19-year-old is one victory away from becoming the youngest man to win a major since 2005.

The third seed has already become the youngest Grand Slam men's semi-finalist since Nadal 17 years ago, and the youngest US Open men's semi-finalist since 1990.

He has gone through three five-set matches in a row.

After setting a record for the latest finish at the US Open with a five-hour quarter-final with Jannik Sinner on Friday, he won his last four match to reach the final. His meeting with Marin Cilic ended at :24.

I've never done this before. I'm going to give everything I have. I have one more match to play against a player who is amazing.

Only one of his six matches in New York has gone to a fifth set, and that was the one he won.

After losing to Nadal in the final of the French Open, the fifth seed set up his second chance to win a major title by beating Karen Khachanov.

Ranked seventh in the world before the tournament, a victory over Alcaraz would result in a jump to world number one.

After he withdrew from the Australian Open through injury and lost in the second round at Wimbledon, the Norwegian went on to have a 13-2 record at Grand Slam events.

"Of course, there will be nerves and we will both feel it," said Ruud, who has lost both previous meetings against Alcaraz. It will be a good match. He has beaten me a number of times.