Lexi Thompson watches her tee shot on the 12th hole during the first round at the 2012 U.S. Women's Open at Blackwolf Run in Kohler, Wis. on Thursday, July 5, 2012.

Lexi Thompson watches her tee shot on the 12th hole during the first round at the 2012 U.S. Women's Open at Blackwolf Run in Kohler, Wis. on Thursday, July 5, 2012.