 In October she won The PING Invitational, and she won her next event, Rolex Tournament of Champions, in November.On May 14 at the Contra Costa Country Club, Pleasant Hill, California, Li qualified for the 2018 U.S. Women's Open, where she was again the youngest player in the field.She was one of seven amateurs to make the cut, and she finished tied for 55th with a 299 (+11).