Ayaka Furue of Japan shot a 5-under 67 on Saturday to move into a three-way tie for the lead after the third round of the AmazingCre Portland Classic.
Furue sits at 13-under-par 203, along with Americans Andrea Lee and Lilia Vu. Japanese compatriot Hinako Shibuno fired a 66 and is tied for fourth at 12 under at Columbia Edgewater Country Club in Portland, Oregon.
Furue had five birdies, including three in a row between the fifth and seventh holes, in her bogey-free round.
"I putted really well," Furue said. "I'll try to make birdies when I can, save pars and go bogey-free again tomorrow."
Furue and Shibuno have one victory each on the LPGA Tour, with Furue winning the Scottish Open this past July and Shibuno winning the 2019 Women's British Open.
"My tee shots were consistent," Shibuno said. "I missed some makeable putts and couldn't keep my rhythm going, but I think I played well overall."