Exactly. It took me a while to figure it out, but yes it does. Round 3 starts with Russia & Canada on Mon.
A round always consists of 8 games, i.e. each team playing exactly once.
No. It's just the deadline. I've couple of Germans on my team and the players are already locked and I can't sell them. Took me a while to figure it out, but I think you can swap out players till the match begins. Sadly the Germans are playing like.... eh..
Round 3 should start with Russia vs Kazakhstan tommorow.