The USASA National Women's Open is an American women's soccer tournament run by the United States Adult Soccer Association. It began in 1996, and from 2009-2012 it was known as the Women's Cup. Before the formation of the Women's Open, the Women's Amateur was the top national cup competition. The defending Women's Cup champions are Olympic Club, who won the title over the ASA Chesapeake Charge after beating the Charge 2-0 in the final game day of the 2015 round robin group. Olympic Club also won the 2014 Women's Amateur.