So Yeon Ryu, of South Korea, tees off the sixth hole during the second round of the U.S. Women's Open golf tournament on Friday, July 6, 2012, in Kohler, Wis.

So Yeon Ryu, of South Korea, tees off the sixth hole during the second round of the U.S. Women's Open golf tournament on Friday, July 6, 2012, in Kohler, Wis.