Big names fell early and unexpected teams broke through to steal the spotlight on Day 1 of U.S. Open mixed doubles play, headlining an electric opener packed with upsets and standout performances.

With the revamped US Open mixed doubles starting on Tuesday, BBC Sport looks at the positives and negatives of the controversial change.

The thought of the top men’s and women’s singles players teaming up is one that has often intrigued tennis fans around the world.

Jessica Pegula played extremely well during the US Open's new mixed doubles tournament on Tuesday, and yet, it was her Adidas outfit that had everyone buzzing. Pegula teamed up with Jack Draper for the mixed doubles tournament in New York.

Persistent rain wiped out almost the entire day of US Open qualifying - but the climax of the mixed doubles goes ahead.