Lydia Ko of New Zealand defeated Ariya Jutanugarn of Thailand, 3&1 during the semifinals at the 112th U. S. Women's Amateur Championship. Ko will face Jaye Marie Green.

Lydia Ko of New Zealand defeated Ariya Jutanugarn of Thailand, 3&1 during the semifinals at the 112th U. S. Women's Amateur Championship. Ko will face Jaye Marie Green.