Sara Byrne carded a third round 68 to six shots off the lead at the Aramco Korea Championship.
The Cork native sat just outside the top-20 at the midway stage after Friday’s three-under par 69, and the 25-year-old went one stroke better on Saturday.
Dropping just one shot in the round, five birdies moved her to seven under overall and a tie for 13th.
She is five shots better off than compatriot Anna Foster who posted a level-par 72.
Japan’s Miyu Yamashita will take a one-stroke advantage into Sunday’s final round after a round of 68 saw her move to 13-under par.
The 2025 Open champion is one clear of Yani Tseng of Taiwan, with France’s Celine Herbin-Marshall a further shot back on 10 under.