The biggest shocker of today’s Family Circle Cup was qualifier Jessica Pegula’s 7-6, 6-1 victory over No. 8 seed Mona Barthel of Germany in the final day-session match played on Billy Jean King Court.

In another match from the day session, Jelena Jankovic, the No. 9 seed, beat Daniel Island crowd favorite Melanie Oudin 6-4, 5-7, 6-4.

Jankovic, who won the 2007 Family Circle Cup, need two hours and 55 minutes for her first victory over Oudin.

“It’s something about her game,” Jankovic said of Oudin’s past performances. “I’ve lost to her but (today) is actually our first time on clay. We played on grass two times so it’s a different surface. Sometimes when you lose against someone it’s always tricky to play the opponents. She has this game that I don’t really like and doesn’t really suit me. I always have trouble with her.

Jankovic reached the semifinal of the Sony Open last week in Key Biscayne. That gave her confidence on the clay-court transition.

“I love playing on clay, but today I wasn’t happy with the way the way I was moving so I have to improve.”