Sports Serena Williams beats Sloane Stephens in three sets, advances to round of 16 September 5, 2020Wayne Coffey, Special for USA TODAYComments Off on Serena Williams beats Sloane Stephens in three sets, advances to round of 16 Serena Williams started slowly, but found her service game and footing in the third set, winning 2-6, 6-2, 6-2. Williams plays Maria Sakkari next.