Choi becomes second Korean in 1998 to win Kohler Women 's Open . She watched Se Ri Pak win the same tournament at the same venue in Sunday . Pak congratulates Choi after finishing tied for ninth at Blackwolf Run on Sunday . Choi 's compatriot Amy Yang claims second place in the major tournament .
Na Yeon Choi becomes fourth Korean in five years to win U.S. Women 's Open . She watched Se Ri Pak win the same tournament at the same venue in 1998 . Pak congratulates Choi after finishing tied for ninth at Blackwolf Run on Sunday . Choi 's compatriot Amy Yang claims second place in the major tournament .