Along with some interesting opening-round matches, the draws for the U.S. Open men’s and women’s singles brackets delivered one what-could-have-been possibility.

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.

Follow along for the latest news from the 2026 U.S. Open.

Carlos Alcaraz will face a Russian opponent who made the fourth round of Wimbledon