Serena Williams Denies Cheating, Points to Double Standard In her first public comments since the U.S. Open women's final, Williams was accused of receiving coaching tips from the stands during the U.S. Open women's final last Sunday. Williams specifically accused Carlos Ramos, the chair umpire, of being “sexist” in issuing her a game penalty late in the match. Serena Williams, via 'The Project' Williams lost the final to Naomi Osaka, 6-2, 6-4,