Euro 2016

From: https://en.wikipedia.org/wiki/UEFA_Euro_2016

The four best third-placed teams are determined according to the following criteria:

• Higher number of points obtained;
  
• Superior goal difference;
  
• Higher number of goals scored;
  
• Fair play conduct;
  
• Position in the UEFA national team coefficient ranking system.
  

The 'Fair play conduct' is the number of yellow/red cards during this tournament. Could be interesting...