"She is amazing," Wie said. "I think she's pretty good and, like I said yesterday, she is also a really good girl."
Top-ranked Stacy Lewis was seven strokes back at even par after a 71.
"It's definitely frustrating," said Lewis, the 2011 champion who won consecutive events this year in Singapore and Phoenix. "It's a major and you want to play well here, but that's golf. Some weeks, it's going to all come together and other weeks, it's going to be tough, and you've got to fight through it."
Second-ranked Yani Tseng, the 2010 winner, was 3 over after a 75. Winless in more than a year, the Taiwanese star had a triple-bogey 7 on No. 7 — her 15th hole of the day — after she pulled a 3-wood drive left and out of bounds.
"I'll learn from today and I won't make the same mistakes tomorrow," Tseng said.
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