Coco Gauff wins US Open, youngest grand slam winner since 1999
Coco Gauff won the U.S. Open Saturday on her first grand slam. The 19-year-old is the youngest American to win the tournament since Serena Williams.
Coco Gauff won the U.S. Open Saturday on her first grand slam. The 19-year-old is the youngest American to win the tournament since Serena Williams.