Follow live US Open quarterfinal updates as Karen Khachanov advances on retirement and Coco Gauff rallies into the semifinals.

On Saturday, Taylor Fritz's quest for the US Open title ended stunningly in a thrilling five-set match, which he once led by two sets.

The wait for an American US Open men's champion continues as Alexander Zverev beat Ben Shelton in four sets in New York. Here's how it went down.

Alexander Zverev vs Ben Shelton Highlights, US Open Final: The US Open crowned a new men's singles champion at Arthur Ashe Stadium in New York, as Germany's Alexander Zverev defeated home hope Ben ...

On Monday, Karen Khachanov defeated Learner Tien in a five-set thriller, ending the 20-year-old American's remarkable run.