Her round included five birdies, the hole in one eagle at No. 17, and just two bogeys.
Duval had even more trouble, shooting a 70 that included five bogeys.
"I played very well," she said after the round that included the eagle, three birdies and two bogeys.
Duval made one only more birdie, and his round also included six bogeys.
She played solidly in a round that included seven birdies and two bogeys.
Svoboda's round of 68 included seven birdies and three bogeys.
The shot completed a round that included five birdies and four bogeys.
"I didn't play very well at all," Woods said after his round of 73, which included three birdies and four bogeys.
Her round included eight bogeys, two double-bogeys and one birdie.
Walker's round included no birdies and six bogeys, including four in a row.