She slipped out of the top spot , which she occupied through 36 holes , after shooting a two - over 74 .
Park , on the other hand , endured her worst day of the 2016 U.S. Women 's Open .
Park slipped out of the top spot , which Park occupied through 36 holes , after shooting a two - over 74 .
Park , on the other hand , endured her worst day of the 2016 U.S. Women 's Open .