New York's Pre-Open Season Has Its Own Dress Code

Before a single serve landed at Flushing Meadows, Manhattan's calendar filled with the kind of gatherings where champions dress as sharply off the court as on it. Coco Gauff, Aryna Sabalenka, Naomi Osaka and Novak Djokovic each turned out for the city's tennis-week social circuit, proof that New York can host a trophy season and a style season at once.

With reporting from Vogue.