Suh Bo-mi shot a three-under-par 69 to move into a two-stroke lead after the second round of the Suzhou Taihu Ladies Open.
The South Korean birdied the fifth at the Suzhou Taihu International GC before an eagle three on the par-five 18th put her ahead of Carmelo Alonso of Spain and Australian Frances Bondad with a two-day six-under total of 138.
Alonso carded a four-under 68 while Bondad shot a 70 for a four-under total of 140.
Gwladys Nocera (71) was fourth on three under while England's Lora Fairclough was in a group of six players tied fifth on two under for the tournament.