Just out of interest, do you know how these double-headers work from a ticketing perspective? Does one ticket get you two matches? Are they ticketed separately? And if so, how do they clear out the original crowd to make way for the new crowd?
I think it's a bit more complicated than that, isn't it?
A 1-0 defeat for El Salvador would indeed put Curacao through (they would have the same GD but Curacao would have scored more goals). Any other one goal defeat would see El Salvador progress.
Any defeat by two goals or more for El...