Tseng and Teresa Lu went off in the first match and cruised to a 3-and-2 victory over Karrie Webb and Su Oh. Tseng and Lu then watched as Candie Kung and Ssu-Chia Cheng posted a 2-up win over Rebecca Artis and Minjee Lee.
So Yeon Ryu had two birdies and an eagle on the first four holes around the turn to grab the lead at 9-under, but she finished bogey, double-bogey. Ryu posted a 6-under 66 at Miramar Golf Country Club and she is tied for third place with Line Vedel, Haru Nomura and Ssu-Chia Cheng.