Celine Boutier and Lydia Ko were joined at the top of Saturdays Womens Scottish Open leaderboard.
Frances Boutier shot a 5-under par 67 — five birdies in the front nine — to take four shots off the New Zealander who managed only a 1-under 70. Ko offset three bogeys at Dundonald Links with a birdie.
Canadas Maude-Aimee Leblanc started with birdies and finished with a 66, which placed her second alongside Leonie Harm of Germany on 14 under, one shot ahead of the lead.
Eun-Hee Ji (70) from South Korea and Lilia Vu (71) from the United States were the two remaining leaders going into the final round.