Sinner-Alcaraz: How Giri Nathan Saw the Future

A conversation with 'Changeover' author Giri Nathan about the rivalry that defines modern men's tennis.

NEW YORK — The U.S. Open women’s semifinals, played under the roof as rain lashed down for the first time during this fortnight, were spectacular.

Jessica Pegula played one of the best matches of her life, only dropping four points on her serve in the entire third set, but it still wasn’t enough to stave off Aryna Sabalenka, whose reliability and steadi…