Took a stab at the first round of results but can't say I know enough to be confident on many of them.
Russia 2-1 Saudi Arabia / Egypt 0-2 Uruguay
Morocco 2-0 Iran / Portugal 2-3 Spain
France 4-0 Australia / Peru 2-2 Denmark
Argentina 3-1 Iceland / Croatia 3-1 Nigeria
Costa Rica 1-1 Serbia / Brazil 3-0 Switzerland
Germany 2-1 Mexico / Sweden 1-1 South Korea
Belgium 4-1 Panama / England 2-0 Tunisia
Colombia 3-0 Japan / Poland 4-1 Senegal