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Sinner has doubts ahead of the US Open
The Italian is not entirely confident due to his knee problems, which have deprived him of competing in the ATP Cincinnati.
Jannik Sinner raised alarm bells before the ATP Cincinnati after withdrawing from the tournament due to a problem with his right knee. What initially seemed like a minor setback may be something more serious, and the reality today is that the world's number 1 is back at his residence in Monte Carlo uncertain about his participation in the US Open 2026, which would be a significant loss for the tournament.
Knee injuries are very delicate, so Sinner will not take any risks if he has the slightest doubt. He spent the last few days in Turin with his trainer Simone Vagnozzi undergoing a treatment for his joint, but according to 'La Gazzetta,' he has returned to Monte Carlo without a clear response. Therefore, the following days and training sessions will be crucial to determine whether Jannik will ultimately travel to New York to try to continue enhancing his legacy.
There are 12 days left until the US Open begins, so there is still time, but the truth is that the decision will be made against the clock. If the treatment does not work and there is any risk that the situation will worsen, Sinner is clear that he will not force it, so as of today, there is a high risk that he will miss the last Grand Slam of the year, which would be a very tough setback for the tournament's interests.

No Sinner or Alcaraz at the US Open 2026?
It should not be forgotten that Carlos Alcaraz's presence also hangs by a thread, so there is a high probability that the US Open 2026 will not feature the current champion and runner-up of the tournament, as well as the two biggest superstars on the circuit. The Spanish tennis player is also recovering from another injury as delicate as his wrist, which he has been dealing with since April, although he is racing against time to try to return to New York after missing Roland Garros and Wimbledon.
It is true that it would be risky to return after such a long time in a Grand Slam match of best of five sets, but if there is one thing Alcaraz and his team have had in these past months, it has been caution. Therefore, if the Murcia player travels to the United States, it is because everything has progressed as planned and he is truly ready to compete again. What is clear is that the ATP circuit is going through a tough time seeing its two best players suffer from worrying injuries, although this leads to each tournament being an unknown due to the competitiveness among the other players, with exceptions like Alexander Zverev or Novak Djokovic at the major events.
This is an automatic translation. You can read the original news, Sinner tiene dudas de cara al US Open