Christine Song shot an even-par 72 on Saturday on LPGA International's Legends Course to take a four-stroke lead into the final round of the LPGA Tour Final Qualifying Tournament.
The 20-year-old Song, from Fullerton, Calif., had a 10-under 278 total.
"I wasn't hitting it very well, but fortunately, my chipping and putting were good," Song said. "We will play the Champions Course tomorrow and I like that course better because it's more wide open."
The top 40 and ties will receive 2012 LPGA Tour membership, with the top 20 earning full status.
Junthima Gulyanamitta, the 23-year-old former Purdue player from Thailand, was second after a 68 on the Champions Course. Her sister, former LPGA Tour member Russy Gulyanamitta, is caddying for her.
"I just play and I have no idea what's going on," Gulyanamitta said. "I'm not trying to beat everybody. I'm just doing what I need to do to get my LPGA card."
Jennie Lee, from Henderson. Nev., was third at 4 under after a 73 on the Legends Course.
"I had too many bogeys today and I putted poorly," Lee said. "If you are on the green, you shouldn't be three-putting, and I had three of them today."
Seventy-six players made the 72-hole cut at 12-over 300.