CHARLESTON, S.C.(AP) Top-seed Elena Dementieva has advanced to the semifinals at the Family Circle Cup after Dominika Cibulkova retired with a leg injury.

Dementieva won the first set 6-4, and was up 1-0 in the second on Friday. The seventh-seeded Cibulkova had her left thigh rewrapped between sets before retiring at the tournament in Charleston, S.C.

In the semifinal Saturday, Dementieva will meet the winner of the match between fifth-seeded Caroline Wozniacki and 13th-seeded Virginie Razzano.

Later Friday, Sabine Lisicki, who ousted Venus Williams, will meet Elena Vesnina. Marion Bartoli, will play Melinda Czink.