Group A: Russia, Uruguay, Egypt, Saudi Arabia
Group B: Portugal, Spain, Iran and Morocco
Group C: France, Peru, Denmark, Australia
Group D: Argentina, Croatia, Iceland, Nigeria
Group E: Brazil, Switzerland, Costa Rica, Serbia
Group F: Germany, Mexico, Sweden and South Korea
Group G: Belgium, England, Tunisia and Panama.
Group H: Poland, Colombia, Senegal and Japan
The strength of group ah is almost the same, and group d is relatively stronger.