Jannik Sinner takes on Mackenzie McDonald, and Iga Swiatek plays Khamilla Rakhimova
The men's and women's top seeds get their US Open campaigns underway in New York later.
Jannik Sinner takes on world number-140 Mackenzie McDonald.
Wimbledon and French Open champion Carlos Alcaraz opens his campaign against Aussie qualifier Li Tu.
While women's number-1 seed Iga Swiatek plays lucky loser Khamilla Rakhimova.
And there's a meeting of unseeded former Grand Slam champions as Emma Raducanu goes up against Sofia Kenin.

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