Jannik Sinner injury update: What happened to the World No 1 in Cincinnati?

Carlos Alcaraz claimed his first Cincinnati Open title under bittersweet circumstances on Monday, after Jannik Sinner was forced to retire due to injury in the opening set of the final. The match had barely begun when the World No. 1 signaled he could no longer continue, handing Alcaraz his sixth title of the 2025 season.

Carlos Alcaraz lifted the Cincinnati title on Monday. (HT_PRINT)

As Sinner sat dejected in his chair, Alcaraz walked over to offer words of comfort. Moments later, he signed the on-court camera with a message: “Sorry Jannik."