Carlos Alcaraz partnered with Emma Raducanu in last year’s US Open mixed doubles. 🤩These teams have officially entered into the 2026 US Open Mixed Doubles Championship presented by Vital Proteins. Jannik Sinner and Carlos Alcaraz are yet to be named in any confirmed pairing, despite both appearing on the singles entry list. Why is Carlos Alcaraz not included in the US Open 2026 mixed doubles draw? Why is Jannik Sinner not included in the US Open 2026 mixed doubles draw?