An Na-rin climbed into sole fourth place after the third round of the LPGA Tour's Standard Portland Classic, which carries a $2 million purse.
Playing Sunday (Korean Standard Time) at Columbia Edgewater Country Club (par 72) in Portland, Oregon, An carded eight birdies and two bogeys for a 6-under-par 66, moving to 13-under 203 for the tournament.
Apicha Yubol of Thailand shot a 4-under 68 to reach 16-under 200 and share the lead with Sofia Schvetz of the United States, who posted a 5-under round.
World No. 2 Jeeno Thitikul of Thailand fired eight birdies against three bogeys for a 5-under 67, moving to 14-under 202 in sole third place.
Jeon Ji-won turned in a bogey-free round of six birdies for a 6-under 66, reaching 12-under 204 to join a group tied for fifth that includes Choi Woon-jung, Minami Katsu and Erika Hara of Japan.
Choi Hye-jin traded one birdie for one bogey to finish at even par, leaving her at 11-under 205 and tied for 11th alongside Joo Su-bin and Noh Ye-rim of the United States.
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