Ai Suzuki and Momoko Ueda each carded a 7-under-par 65 in their home country on Thursday to share the first-round lead at the Toto Japan Classic in Shiga, Japan.
Defending champion Ayaka Furue carded a 29 on the front nine and finished with a 6-under 66 to join fellow Japanese golfer Sakura Koiwai in third place at the Seta Golf Club.
Japan's Miyu Yamashita rests two strokes off the pace in fifth place.
Suzuki, who won