The referee assignments have been made for the first eight matches of the tournament and Australian Tammy Ogston will officiate the opening game of the tournament on September 10 featuring Germany and Argentina. It will be the third Women’s World Cup for Ogston. Nicole Petignat of Switzerland will handle the U.S. game vs. North Korea in Chengdu. Astute women’s soccer fans will know her name. She officiated the historic 1999 FIFA Women’s World Cup Final and is widely considered one of the top few female referees in the world.