NEW YORK: The US Open begins Sunday, with Jessica Pegul hoping to claim her maiden Grand Slam title and Novak Djokovic continuing his pursuit of a record 25th major. Two-time champion Venus Williams will make another main-draw appearance, while Marta Kostyuk aims to build on recent strong runs. Djokovic, now 39, remains ranked among the world’s top players and has dismissed retirement talk, insisting he can still compete for the sport’s biggest prizes.