Sara Errani and Andrea Vavassori retained their US Open mixed doubles title on Wednesday (Thursday in Manila), beating Iga Swiatek and Casper Ruud to claim the $1 million top prize in the new-look competition that kicked off action at the last Grand Slam of the year.

Sara Errani and Andrea Vavassori defended their U.S. Open mixed doubles title Wednesday night, keeping a traditional team on top of a revamped event filled with singles stars. The Italians beat No.