As I remember other tournaments ... the 1st place from Group A vs the 2nd place from group D was FIXED before the tournament started. Is that true in olympics as well.. Do we already KNOW that Group E(?) winner will play third place from other groups? Or is that determined during play so that team with most points (probably Brazil with a win and +5 goal differential) goes again lowest points 3rd place team?

i.e. even if we DO get knock out round (which Yes, I think we do) does that mean we're looking at first round match against what looks like GREAT teams from Netherlands and/or Brazil...