Oky then, once we have the 2nd score and we know the finalist, both can agree the schedules to play the finale matches. I keep the double match as I'm a deep believer in that the local team have a slightly advantage by default in the simulation, even with the attendance bonus at 0%. Thats why I prefer double match.
In case to have 2 same scores giving a draw, like 1-1 and 1-1 / in this case, the 2nd leg ET would decide. If inside the 90' theres a winner in both cases, then we will have to talk lol