Carlos Alcaraz will open the defense of his U.S. Open title against an opponent who made a strong run at Wimbledon while the Spaniard was sidelined with an injury.

Serena Williams and Carlos Alcaraz will open the U.S. Open mixed doubles tournament against a team that features the reigning women’s doubles champion.

Serena Williams and Carlos Alcaraz kick off their U.S. Open mixed doubles against reigning women's champ Erin Routliffe.