With Sinner and Carlos Alcaraz snapping at his heels, Djokovic is facing the prospect of a year without a Grand Slam title for the first time since 2017.
U.S. Open tennis: Coco Gauff, Alexander Zverev roll into second round
With Sinner and Carlos Alcaraz snapping at his heels, Djokovic is facing the prospect of a year without a Grand Slam title for the first time since 2017.
