Kim moved into red figures with a birdie on the seventh and was near the top the rest of the round.
She closed with birdies at 17 and 18.
After seven straight pars, Udea went to 3-under with a birdie at No. 14 and Creamer's 25-foot birdie putt at the 16th hole gave her some closing momentum.
Creamer's amateur playing partner was men's tennis star James Blake.
"I'm playing the game that I love with somebody that is phenomenal at what he does and he's kind of come into my office (and) I think it's neat," she said.
The tournament is being played on two courses -- one a par 70, the other par 71.