"It really is surreal."
The 22-year-old from Perth shot an even-par 72 on Sunday for a nine-under total of 207 to win by one shot from defending champion Sung Hyun Park (68) of South Korea.
It was Green’s first victory on the LPGA Tour and she becomes the first Australian woman since Karrie Webb (2006) to win a major.
Among those who celebrated with Green was Webb,who brought Green to America four years ago as part of her scholarship program.
Green,in only her second full year on the LPGA Tour,is the first wire-to-wire winner of this major since 2011.
‘‘I was really nervous the last five holes and just really - I made a clutch putt and that was kind of got me through another one.