Japan's Momoko Ueda had six birdies on the back nine in an 8-under 64 to take a three-stroke lead after the second round of the Mizuno Classic.
Ueda, who won this event in 2007, made her fourth straight birdie on the par-4 18th when she chipped in from the edge of the green to finish at 13-under 131.
''I think I did a good job and it wasn't hard today,'' said Ueda, whose Mizuno Classic win in 2007 earned her LPGA membership in 2008. ''But I was surprised to get that birdie on the 18th hole.''
Japan's Sakura Yokomine was three strokes back after a 9-under 63 at the Kintetsu Kashikojima Country Club.
Second-year LPGA Tour member Mina Harigae of the United States shot a 5-under 67 and was tied for third with Japan's Mayu Hattori and China's Shanshan Feng at 9-under 135.
Ueda has eight career wins on the Japan Tour, but is bidding for her first win of the 2011 season. The 25-year-old made her sixth birdie of the day on the par-5 16th when her approach landed 4 feet from the hole. S...