The second semifinal between defending champions Sara Errani/Andrea Vavassori and the all-American, last-minute alternate pairing of Danielle Collins/Christian Harrison is underway, as they bid to join Świątek/Ruud in the mixed doubles finale.

R ain washed away the action at the US Open. However, the mixed doubles event went according to plan under a closed roof at Arthur Ashe Stadium. In the first semi-final, Iga Swiatek and Casper Ruud prevailed over Jessica Pegula and Jack Draper.