New York, Sept. 8 -- Spanish sensation Carlos Alcaraz sealed his spot at the top of the ATP Rankings for the first time since 2023 following his triumph over arch-rival Jannik Sinner in the final of the US Open.

Alcaraz, a six-time major champion now, will kickstart his fifth stint as world number one and his 37th overall week at the top. Alcaraz was ahead of Sinner in ATP Live Rankings (which decides the ATP Finals competitors) at the tournament start, and now, with a hard-fought 6-2, 3-6, 6-1, 6-4 victory on Sunday over the Italian in the final, he has made it to the top of the ATP Rankings as well.

In 2022, Alcaraz defeated Casper Ruud to not only capture his first major title, but also become the youngest number one at the age of 19...