OAHU, 17 Apr 2015 (AFP) - Kim Sei-Young, who won the second event of the season at the Pure Silk-Bahamas Classic for her first victory on the LPGA Tour, finished 36 holes tied with Kim In-Kyung at 10-under-par 134.
First-round leader Kim In-Kyung shot a three-under 69.
South Korean golfers claimed six of the top seven spots after the completion of the second round at the Ko Olina Golf Club course.
World number three Park In-Bee, the highest-ranked player in the field, is alone in third place, three shots back at seven-under 137 following the South Korean star's two-under 70.
Chella Choi (68), Lee Mi-Rim (69) and Jenny Shin (70) are all tied for fourth at six-under.
Defending champion Michelle Wie, of the US, shot a three-under 69 and she is tied for eighth with Japanese stars Ai Miyazato (69) and Haru Nomura (70).
Paula Creamer (69) is one of just three Americans in the top 15. The other is Brittany Lincicome, who shot a 67.
Leading second-round scores on Thursday in the LPGA Tour's LOTTE Championship (par-72):
134 - Kim In-Kyung (KOR) 65-69, Kim Sei-Young 67-67
137 - Park In-Bee (KOR) 67-70
138 - Jenny Shin (KOR) 68-70, Chella Choi 70-68 (KOR), Lee Mi-Rim (KOR) 69-69, Paula Creamer (USA) 69-69
139 - Ai Miyazato (JPN) 70-69, Haru Nomura (JPN) 69-70, Michelle Wie (USA) 70-69
140 - Choi Na-Yeon (KOR) 67-73, Pornanong Phatlum (THA) 71-69, Lee So-Young (KOR) 71-69, Beatriz Recari (ESP) 69-71, Brittany Lincicome (USA) 73-67