Fabienne Humm and Ramona Bachmann both had second-half hat tricks as Switzerland beat Ecuador 10-1.
ameroon scored three goals in a nine-minute stretch late in the first half and routed Ecuador 6-0 on Monday in the WWC debuts for both nations.
Keep up to date with who is playing and when.
When plotting out the bracket, it became clear that two of the world's best teams will likely meet early.
Japan beats Ecuador 1-0, tops group with perfect record
How will Ecuador fare in its first Women's World Cup? The squad faces many hurdles.
Go to espnW for comprehensive coverage of the 2015 Women's World Cup.