NEW YORK — Jannik Sinner pulled out of the U.S. Open mixed doubles tournament shortly before it began, a day after he quit in the first set of the Cincinnati Open final because he was feeling ill. The No. 1-ranked Sinner, the defending champion in ...

Nathan, a co-founder of the sports website Defector Media, has published “ Changeover: A Young Rivalry and a New Era of Men’s Tennis ” with Gallery Books. He spent the 2024 season squarely focused on Sinner and Alcaraz, in which they split the four majors and accelerated their ascension into a tennis stratosphere of their own creation.

Jannik defeated Terence Atmane in the semi-final in Ohio, celebrating his 200th ATP hard-court win and becoming the eighth-youngest player to achieve that in the Open era, standing right behind Rafael Nadal.