Barring the forecasted rain, former champions Serena Williams and Caroline Wozniacki will take center stage Thursday at the Family Circle Cup.

Wozniacki, the 2011 FCC champion, is set to begin the day at 11 a.m. on Billie Jean King Court against wild-card entrant Andrea Petkovic.

Williams, ranked No. 1 and seeking her third Family Circle Cup title, takes on American qualifier Mallory Burdette in match that won’t start before 1 p.m.

Samantha Stosur, the 2010 Family Circle Cup champ, gets the night match at 7 p.m. against another qualifier, Canadian Eugenie Bouchard.

Thursday’s schedule on Billie Jean King Court

11 a.m.

Andrea Petkovic vs. Caroline Wozniacki

Not before 1 p.m.

Serena Williams vs. Mallory Burdette

followed by Varvara Lepchenko vs. Venus Williams or Monica Puig

followed by Sorana Cirstea vs. Lucie Safarova

Not before 7 p.m.

Eugenie Bouchard vs. Samantha Stosur

followed by doubles match