NEW YORK :Jannik Sinner and Carlos Alcaraz will on Sunday write the latest chapter of a sizzling rivalry that has ushered in a new era and shaped an unforgettable 2025 season when they clash in the U.S. Open final for a third straight Grand Slam showdown. The stakes could hardly be higher in the marquee meeting at the iconic Arthur Ashe Stadium with the world number one ranking on the line and a $5 million winner's cheque awaiting, but the real prize is bragging rights in a year that has been