Overview

• Jannik Sinner has withdrawn from the US Open mixed doubles, where he had been slated to team with Katerina Siniakova after Emma Navarro’s withdrawal.
• Coach Darren Cahill told ESPN a virus caused the Cincinnati retirement and said they hope Sinner can resume hitting on Thursday.
• Sinner is in Manhattan following roughly 48 hours of rest and medical checks, with the US Open draw set for Thursday and an expected singles debut early next week.
• The ranking picture tilts toward Carlos Alcaraz, who defends far fewer points than the reigning champion as the No. 1 race turns on results in New York.
• Cincinnati’s extreme heat and expanded schedule drew fresh criticism after multiple retirements, with former pro Ivan Ljubicic questioning the current Masters 1000 format.