Thailand's Moriya Jutanugarn shot a 2-under 70 on Saturday to maintain a six-stroke lead, while Toronto's Rebecca Lee-Bentham moved into third at the LPGA Tour qualifying tournament in Daytona Beach, Fla.
Lee-Bentham shot a 69 at the Champions Course, and is 8-under after four rounds. Stephanie Sherlock (69) of Barrie, Ont. is tied for fourth, one stroke behind Lee-Bentham.
The 18-year-old Jutanugarn had a 15-under total at LPGA International. The final top 20 in the five-round event will earn full tour status.
Japan's Ayako Uehara was second, also after a 70.
Two-time tour winner Christina Kim, tied for third after the second round, followed her third-round 75 with a 73 to drop into a tie for 24th at 1 under.
Seema Sadekar (70) of Toronto, and Sue Kim (70) of Langley, B.C. made the 72-hole cut and are both tied for 53rd.
Samantha Richdale (74) of Kelowna, B.C., Kirby Dreher (70) of Fort St. John, B.C., Ashley Sholer (74) of Hamilton, Ont. and Izzy Beisiegel (76) of St. Hilaire, Que., each missed the cut.