Doctors agree: Sinner will not train again until September 6

Diego Jiménez Rubio - 26 Aug 2026 | 13:58
Jannik Sinner ATP lesion

From Italy, they provide a clear diagnosis of Sinner's knee injury and warn about the decision not to train until September 6. Additionally, it is revealed in which tournament he should return.

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Jannik Sinner, rest and no training. Photo: gettyimages

The news surrounding Jannik Sinner is trickling in drop by drop, which is proving to be a true torture for Italian fans, who see the short-term future of the world number 1 becoming increasingly less encouraging. After withdrawing from the US Open 2026, the studies at JMedical clarify what the current scenario is for Sinner regarding his knee injury.

Absolute rest. No one wants to go to the doctor and be told that, but that is what Jannik Sinner received during his visit this past Tuesday to JMedical located in Turin, according to information from Gazzetta dello Sport. The world number 1 drove alone from his residence in Monaco to undergo physiotherapy treatments and assess the progress of his knee injury.

The diagnosis has been conclusive. There is no rupture, but inflammation persists in his knee, so the doctors have urged him not to train until September 6. It was expected that in the coming days, the Italian would return to practice sessions to prepare for the Asian swing, with the ATP 500 Beijing 2026 tournament, starting on September 30, marking the scheduled date for his return to competition.

Sinner was injured in a practice session back in August and continues to have inflammation in one knee

However, this news creates some uncertainty regarding whether he will be able to attend the Chinese event. The plan remains the same, but having to postpone his return to training several days longer than expected is a clear warning about the extent of Sinner's physical problem, the origin of which can now be identified.

It all seems to stem from a practice session following his triumph at Wimbledon. Sinner took a few days off after winning the title in London and was seen training intensely on July 30, so the knee issue likely occurred after that day. Nothing more is known at the moment, but it is worth noting that the situation will need to be monitored, as if there are more unforeseen issues, Jannik Sinner’s presence in Beijing may be in doubt.

This is an automatic translation. You can read the original news, Los médicos frenan a Sinner