The U.S. Open's largest court was packed for the final three matches of the reimagined mixed doubles tournament Wednesday night, which was made up of mainly top singles players for the first time.

The event sparked controversy because it excluded traditional doubles teams - except for Errani and Vavassori - at the expense of big-name singles players. The star-studded field included world No. 2 Iga Swiatek and three-time Grand Slam singles finalist Casper Ruud, who lost in the final to the Italians, 6-3, 5-7, 10-6.

Even with a new format this time around, Andrea Vavassori and Sara Errani have successfully defended their mixed doubles final title at the US Open. The Italian duo beat the pairing of Casper Ruud and Iga Swiatek 6-3, 5-7, (10-6) in the final at Arthur ...