The No. 1-ranked Sinner, the defending champion in singles at Flushing Meadows, was supposed to compete in mixed doubles with Katerina Siniakova.

It was clear immediately that Jannik Sinner was not himself in Cincinnati.

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 Sinner se retiró del torneo de dobles mixtos del Abierto de Estados Unidos el martes poco antes de que comenzara, un día después de que abandonó

Carlos Alcaraz won the Cincinnati Open on Monday after Jannik Sinner was forced to retire due to illness. Alcaraz was already up big on Sinner, the World No. 1, when he had to retire. Sinner told the crowd that he hoped to play after feeling bad overnight, but he couldn't make it work.

No one will be getting an early glimpse at the men’s world No.1 singles player in Flushing this year, nor an 11-time Grand Slam doubles champion.

Afterward, Sinner didn't have a traditional press conference. Instead, he was asked a couple of questions by the ATP media and provided answers. One of the things asked was if there was anything specific he wanted to work on going into the US Open.

Concern and questions surround Jannik Sinner just days before the US Open. The withdrawal of the world number one during the Cincinnati final has sparked debate among fans and experts: on