PARIS: Top seed Serena Williams beat compatriot Sloane Stephens in three sets to win through to the quarter-finals of the French Open on Monday.
Just as in each of the previous two rounds, Williams lost the opening set before recovering to win the last-16 encounter 1-6, 7-5, 6-3 and set up a meeting with Italy's 17th seed Sara Errani for a place in the semi-finals.