Jannik Sinner, of Italy, holds up the championship trophy after defeating Taylor Fritz, of the United States, in the men's singles final of the U.S. Open tennis championships, Sept. 8, 2024, in New Yo...

Darren Cahill has played down concerns about Jannik Sinner's health after he was forced to retire from the Cincinnati Open final, saying the world number one is recovering and they are confident he w...