Day four of the US Open 2026 has begun, with play starting at 11am local time, which is 4pm BST. The day's schedule includes a wide array of matches, some of which have been impacted by rain.
Former champion Daniil Medvedev is opening on Armstrong. Jessica Pegula, who is aiming to become world number one and secure her first major title, is playing against Sofia Kenin on Ashe. Other notable matches include Brandon Nakashima against Alex Michelsen, Ben Shelton facing Hubie Hurkacz, and Marta Kostyuk playing Sloane Stephens.
British player Katie Boulter is also in action, scheduled to compete against Karolina Muchová. Additionally, Jan Choinski, Francesca Jones, and Toby Samuel are among other players featured on day four.