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.

This article was originally published on www.si.com as Iga Świątek, Casper Ruud Made Wild Comeback to Reach U.S. Open Mixed Doubles Final. Iga Świątek, and now her mixed doubles partner Casper Ruud, refuse to lose.

In the final, they beat third seeds Iga Swiatek and Casper Ruud with a 6-3, 5-7, 10-6 scoreline. Before reaching the final, the Italian pair knocked out the American pair of Danielle Collins and Christian Harrison in straight sets. In the on-court interview, then, Vavassori declared, “ We have been on a mission .”