The news was reported by ANSA, which identifies the Shanghai Masters as the tournament Sinner has decided to skip.
According to the agency, the announcement was published on social media. The available material does not provide further details about how the announcement was made.
ANSA also links the absence to the rankings: the withdrawal could make it more difficult for Sinner to retain the world No. 1 spot.
However, the effect on the rankings is not quantified in the information reported by the agency. The material provided therefore contains no precise indications of the points or positions involved.
The announcement was reported by ANSA on October 3, 2026, as indicated in the source. This date refers to the publication of the news and does not establish the date of the tournament.
The available picture is therefore limited to the decision announced by Sinner and its possible consequence for the race for the No. 1 ranking, with no further details on the concrete impact on the standings.