Chun In-gee carded four birdies in five holes on the back nine as she moved into a share of the lead after three rounds of the Meijer Classic.
The South Korean shot a bogey-free six-under 65 to move level with defending champion Lexi Thompson, who had a 66.
England’s Jodi Ewart Shadoff slipped to joint 15th, seven shots adrift of the leaders, after a 71.
Wales’ Becky Morgan is tied 21st, with joint first-round leader Dame Laura Davies a shot further back after a 70.
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