Cincinnati Open final: Jannik Sinner’s preparations for US Open defence dealt a blow | The IndependentNotifications can be managed in browser preferences.Jump to contentIndependentNext articleIndependent Bulletin homepageSocial PartnerWe are 8 logo (opens in a new tab)AllNewsSportCultureLifestyleJamie BraidwoodTuesday 19 August 2025 07:02 BST'I couldn't handle more' - Sinner sorry for retiring ill in Cincinnati finalJannik Sinner retired from the Cincinnati Open final against Carlos Alcaraz after just five games due to illness.The World No 1 apologised to the crowd, explaining he had felt unwell since the previous day, with his condition worsening on the day of the match.Sinner's early retirement raises concerns about his fitness for the upcoming US Open, particularly his singles campaign, though he confirmed it was illness rather than injury.His participation in the new-look US Open mixed doubles tournament, where he was scheduled to partner Katerina Siniakova, is now uncertain.Carlos Alcaraz was crowned the Cincinnati Open champion following Sinner's retirement, expressing sympathy for his rival.In fullJannik Sinner provides concerning update after sudden Cincinnati Open final retirementThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in