Bo Bae-song shot a seven-under 65 to move into a one-stroke lead after the second round of the Mizuno Classic.

The South Korean enjoyed a fine run on the front nine as she reeled off six birdies without dropping a shot to reach the turn in an impressive six-under 30.

Bo bogeyed the par-five 13th but birdies on the 15th and 18th ensured she will take a narrow advantage heading into the final round with a two-day total of 11 under, 133.

Compatriot Kim In-kyung and Akane Iijima, of Japan, returned to the clubhouse with a 65 and 64 respectively and are in a share of second place, while Rui Kitada is fourth after carding a six-under 66.

Overnight leader Brittany Lang dropped into a group of eight players tied fifth following a two-under 70, while world number one Lorena Ochoa improved to four under for the tournament following a three-under 69.

Collated second round scores & totals in the LPGA Tour Mizuno Classic, Kintetsu Kashikojima Country Club, Shima-shi, Mie, Japan

(Jpn unless stated, par 72):

133 Bo-Bae Song (Kor) 68 65

134 In-Kyung Kim (Kor) 69 65, Akane Iijima 70 64

135 Rui Kitada 69 66

136 Song-Hee Kim (Kor) 69 67, Inbee Park (Kor) 70 66, Brittany Lang (USA) 66 70, Jiyai Shin (Kor) 69 67, Ai Miyazato 69 67, Momoko Ueda 68 68, Mi-Jeong Jeon 68 68, Hee Young Park (Kor) 67 69

137 Vicky Hurst (USA) 68 69, Jee Young Lee (Kor) 69 68, Hyun-Ju Shin 69 68, Hee-Won Han (Kor) 69 68

138 Anna Nordqvist (Swe) 73 65, Yani Tseng (Tai) 69 69, Eunjung Yi (Kor) 69 69, Ah-reum Hwang 70 68, Eun-A Lim (Kor) 70 68

139 Shi Hyun Ahn (Kor) 73 66, Miki Saiki 69 70, Yukari Baba 70 69, Li Ying Ye (Chn) 71 68, Nobuko Kizawa 67 72, Miho Koga 69 70, Kyeong Bae (Kor) 71 68

140 Karrie Webb (Aus) 70 70, Lorena Ochoa (Mex) 71 69, Maria Hjorth (Swe) 71 69, Pat Hurst (USA) 72 68, Candie Kung (Tai) 71 69, Na Yeon Choi (Kor) 72 68, Sakura Yokomine 71 69, Teresa Lu (Tai) 70 70, Stacy Lewis (USA) 70 70, Mayu Hattori 71 69

141 Lindsey Wright (Aus) 72 69, M.J. Hur (Kor) 73 68, Tamie Durdin (Aus) 72 69, Ayako Uehara 72 69, Katherine Hull (Aus) 70 71

142 Kaori Aoyama 72 70, Jimin Kang (Kor) 76 66, Sun Young Yoo (Kor) 74 68, Amy Yang (USA) 74 68, Sophie Gustafson (Swe) 69 73

143 Yuri Fudoh 74 69, Julie Lu 70 73, Yuko Mitsuka 74 69, Christina Kim (USA) 73 70

144 Soo-Yun Kang (Kor) 74 70, Meena Lee (Kor) 74 70, Ji woo Lee (Kor) 73 71, Rikako Morita 76 68, Saiki Fujita 72 72, Hiromi Mogi 70 74

145 Mika Miyazato 73 72, Seon Hwa Lee (Kor) 72 73, Ji-Young Oh (Kor) 72 73, Erina Hara 73 72, Midori Yoneyama 77 68, Maiko Wakabayashi 76 69, Janice Moodie 75 70

146 Shinobu Moromizato 74 72, Mie Nakata 72 74, Chie Arimura 76 70, Eun Hee Ji (Kor) 72 74, Yuko Saitoh 73 73

147 Sandra Gal (Ger) 72 75

148 Nikki Campbell (Aus) 77 71

149 Tomoko Kusakabe 72 77

150 Meaghan Francella (USA) 76 74, Angela Park (Bra) 74 76

151 Na-ri Lee 77 74, Nicole Castrale (USA) 77 74

153 So hee Kim (Kor) 76 77