Al-Hilal v Pachuca, Red Bull Salzburg v Real Madrid – Friday, 27 June (02:00 BST)
The winners of Salzburg v Real Madrid will progress top of the group, with the losers knocked out should Al-Hilal beat already-out Pachuca.
A draw between Salzburg and Real and a win for Al-Hilal would leave all three sides level on points.
Their head-to-head record would also be the same, leaving Real through thanks to a superior goal difference over the Austrians. Al-Hilal are one goal behind Salzburg on goal difference heading into the final round.
Should Al-Hilal and Salzburg also finish level on goal difference and goals scored, second place could be decided by disciplinary points or, if that is level, drawing lots.