Serena Williams wins the U.S. Open for sixth time . Steffi Graf 's all time record . Beat Caroline Wozniacki 6 - 2 6 - 2 . This is Williams ' 18th grand slam . Now just four titles behind Steffi Graf 's record .
Serena Williams wins the U.S. Open for sixth time . Beat Caroline Wozniacki 6 - 2 6 - 2 . This is Williams ' 18th grand slam . Now just four titles behind Steffi Graf 's record .