/teamtitleist/au/b/weblog/posts/lydia-ko-trusts-her-pro-v1x-at-the-old-course-to-clinch-her-first-aig-women-s-open-and-third-career-major LPGA | AIG Women’s Open With history on the line, Lydia Ko stuck her Pro V1x golf ball to six feet on the Old Course’s 18th green, setting up the birdie that would clinch her first AIG Women’s Open, third major championship and 21st career LPGA titleen-USTelligent Community 10