Sinner withdraws from the remainder of 2026: 'I need treatment for my knee'

The No. 1 player in the ATP rankings, Jannik Sinner, confirmed that he will not play another official match in 2026 due to an injury to his right knee that has kept him from playing since he won his second Wimbledon title in July.

"Together with the doctors, we have decided that I need treatment for my knee, which means that the 2026 season is officially over," said the 25-year-old Italian tennis player in a video posted on social media.

"Right now, I also need to think about my long-term career. I'll do everything I can to come back at 100%. Thank you for your support, and I hope to see you back on the courts very soon," he added.

Since winning the third Grand Slam title of the season, Sinner has missed major tournaments, such as the Cincinnati Masters 1000 and the U.S. Open. He also won't be at the ATP Finals, the tournament that wraps up the season.

What injury does Sinner have?

The exact nature of the injury suffered by the ATP No. 1 is unknown. All that is known is that it involves inflammation, though the precise cause remains unclear.

Ever since he won Wimbledon and announced that he was experiencing some discomfort, there has been speculation about what injury he has: ranging from tendinitis to problems with cartilage, the meniscus, or ligaments.

Sinner's season in 2026

Despite being sidelined for the remainder of the season, Sinner can be pleased with his performance this year. In 2026, the Italian tennis player won the Masters 1000 tournaments in Indian Wells, Miami, Monte Carlo, Madrid and Rome, in addition to the aforementioned Wimbledon.

Since he won't be playing any more official matches this season, Sinner could lose his No. 1 ranking. Germany's Alexander Zverev, who is having the best season of his career, could take the top spot from him.