Top seed Sinner declares himself fit ahead of US Open title defence

Defending champion Jannik Sinner has allayed concerns about his fitness ahead of his U.S. Open title defence, saying on Friday that he expects to be ready for the year's final Grand Slam.

The Italian world number one withdrew from the final of his lone U.S. Open tune-up event while trailing Carlos Alcaraz 5-0 due to illness on Monday, sparking questions about his condition ahead of the tournament.

However, Sinner has since returned to practice and sounded optimistic about his recovery from a virus that he said he and some other players dealt with.

"Physically I feel good. You know, I have recovered mostly, not 100 per cent yet, but we are aiming to be there in a couple of days. So should be all fine for the tournament," Sinner told reporters at Flushing Meadows where the singles action starts on Sunday.

Sinner enters the U.S. Open as the top seed following a stellar season that has seen him increase his Grand Slam tally to four with wins at this year's Australian Open and Wimbledon.

He will be looking to defend the title he won last year, when he beat Taylor Fritz in straight sets to claim his second Grand Slam crown.

The 24-year-old Italian said he feels far more composed ahead of this year's U.S. Open compared to the lead-up to the 2024 edition when news of him failing two drug tests cast a shadow over his preparations.

A tribunal accepted Sinner's explanation that the anabolic agent clostebol entered his system from a member of his support team through massages and sports therapy, and while he was cleared of wrongdoing the scrutiny took a toll.

"Last year was a bit tough mentally, you know, with everything happening off the court," said Sinner. "This year, it feels different - calmer, I would say. I can focus more on my