Kim In-Kyung increased her lead to three strokes in the LPGA Tour’s Portland Classic by shooting a 5-under 67 to reach 12 under after Friday’s second round.

The South Korean had seven birdies and two bogeys in her morning round in cloudy, calm conditions at Columbia Edgewater.

Spain’s Carlota Ciganda and South Korea’s Mi Jung Hur shot 65 to join Laura Diaz at 9 under. Diaz had a 68.

South Korea’s So Yeon Ryu, the Canadian Women’s Open winner on Sunday, was 8 under along with Mina Harigae, China’s Xi Yu Lin and South Africa’s Paula Reto. The fifth-ranked Ryu had a 66, Lin carded a 68, and Harigae and Reto shot 69.

Defending champion Suzann Pettersen was 6 under after a 67. The fourth-ranked Norwegian player also won the 2011 event.

Juli Inkster and Sweden’s Anna Nordqvist also were in the group at 6 under. The 54-year-old Inkster, making her 28th appearance in the event, followed her opening 68 with a 70. Nordqvist, a two-time winner this year, also shot 70.

South Korea’s Jeong Jang was 3 under after a 71 and Hee-Won Han had a 71 to make the cut on the number at 1 over. Both players have announced this will be their final event before retirement.

Top-ranked Stacy Lewis, No. 2 Inbee Park and No. 3 Lydia Ko are skipping the tournament, giving them a two-week break before the Evian Championship in France. (AP)