[2] Note 1: Palestine awarded 3 – 0 victory in the first leg after Thailand fielded an ineligible player.
[4] Note 1: Iraq awarded 3 – 0 victory in the first leg after Iran fielded a suspended player.
The three runners-up from the third round groups played each other at a neutral venue on 25, 27 and 29 March 2012.
Malaysia had originally been chosen but renovations to the proposed stadium as well as the unavailability of other venues due to the scheduling of domestic fixtures meant that a new destination for the three-team playoffs was required.
Vietnam was later chosen by the AFC Competitions Committee as the neutral venue,[7] with games played at Hanoi's Mỹ Đình National Stadium[8] Oman was the winner of this group advanced to play Senegal in a play-off for a spot at the Olympic Games.