The 2018 playing was the first in a new schedule spot against The Memorial.
The Forecaddie explains the ratings and issues going forward for the U.S. Women's Open.
On another note, while I understand the LPGA's concerns about the new Augusta National Women's Amateur impacting the ANA Inspiration, I believe time zone differences will make a non-issue.
Of greater concern should be the dwinding numbers and stature of what was once the biggest event in women's golf, the U.S. Women's Open. While it's a USGA event, the LPGA might need to reevaluate the dates against Jack Nicklaus' Memorial.