Jannik Sinner’s Cincinnati Open 2025 final appearance concluded with a retirement, sparking concerns about his health. Entering the match with a 12-game winning streak, Sinner struggled, accumulating nine unforced errors and requiring ice treatment for his head. He ultimately withdrew, allowing Carlos Alcaraz to claim the title. During the match, the 23-year-old Sinner, visibly struggling, took a medical timeout. His alarming statement to the umpire, “I feel like I can collapse at any moment,” highlighted the severity of his condition. Following the retirement, Sinner apologized to both Alcaraz and the crowd, explaining he had been unwell since the previous evening. He had attempted to play but his condition worsened on court, draining his energy and forcing his retirement. Sinner expressed deep regret for disappointing the audience, revealing he felt unwell since the previous day. He conveyed his efforts to compete, but his condition deteriorated, preventing him from finishing the match. He acknowledged Alcaraz’s achievement and wished him well for the U.S. Open and the remainder of the season.
