Jannik Sinner retired from the Cincinnati Open final against Carlos Alcaraz due to illness after falling behind 5-0 in the first set. Sinner apologized to the fans for his early exit, citing feeling unwell the previous day. Alcaraz, who won his 22nd ATP title, expressed sympathy for his opponent and acknowledged the disappointing nature of the victory. Sinner's illness raises concerns about his participation in the upcoming US Open mixed doubles tournament.

Prepared by Emily Rhodes and reviewed by editorial team.