In the quarter-finals and semi-finals, each tie was played over two legs on a home-and-away basis.
[1] The matchups for the round of 16 were decided prior to the group stage draw.
[2] After the completion of the round of 16, the draw for the quarter-finals, semi-finals, and final was held in Kuala Lumpur, Malaysia on 7 June 2011.
[4] Note: Match delayed from original kickoff at 19:00 due to sandstorm.
The final was played 29 October 2011 at home of one of the finalists, decided by draw.