Much to the disappointment of the tennis world, Jannik Sinner has extended his break by withdrawing from the upcoming Cincinnati Open. The World No. 1 was last seen in action in the Wimbledon final, where he successfully defended his title. In the days that followed, he also pulled out of the ongoing Canadian Open.
Sinner joined Carlos Alcaraz in skipping both Masters 1000 events leading up to the US Open and cited knee discomfort as the reason for his withdrawal.
Jannik Sinner Skips the 2026 Cincinnati Open Due to Knee Injury
So far this season, Sinner has won six titles and is currently riding a 34-match winning streak at the Masters 1000 level, which began with his title run at the Paris Masters in October 2025. He won the first five Masters 1000 events of 2026, Indian Wells, Miami, Monte-Carlo, Madrid, and Rome, but opted to skip Montréal to allow for more recovery time given the tournament’s proximity to Wimbledon.
The Italian resumed training a couple of weeks ago at the Monte-Carlo Country Club but was soon hampered by knee discomfort. According to reports, the injury was a result of his grueling schedule, prompting Sinner to undergo a series of urgent tests at J Medical in Turin to determine whether he could salvage his Cincinnati campaign.
On Sunday, August 9, however, the Cincinnati Open’s official social media page announced his withdrawal. Sinner also released a statement according to gazzetta.it, confirming his injury.
“After consulting with doctors and my team, I have to announce that I have been forced to withdraw from the Cincinnati Masters 1000. My right knee is giving me some problems, and while we’ve worked hard with my medical team, I have to accept that I’m not ready to compete yet,” he said.
“I’m very disappointed not to be able to play in Cincinnati, and I wish Bob Moran and his entire team a fantastic and very successful tournament. I look forward to returning next year, and now I’ll focus on preparing for the US Open,” Sinner added.
Jannik Sinner has withdrawn from the Cincinnati Open due to a right knee injury.
Wishing all the best to our 2024 champion and can’t wait to see you again next year! ❤️ pic.twitter.com/wYHY94viCE
— Cincinnati Open (@CincyTennis) August 9, 2026
The World No. 1, who won the tournament in 2024, had 650 ranking points to defend from his run to the final last year, where he was forced to retire after just 23 minutes against Carlos Alcaraz due to illness and extreme heat.
With the top two players missing a second consecutive Masters 1000 event, the rest of the field will fancy their chances of making a significant breakthrough ahead of the final Grand Slam of the year.
