The 6th edition of Arab Champions League, The 2008–2009 is going to play as a knockout stage from 35 clubs, The Algerian club ES Sétif entered automatically as 2007–08 champion.

32 teams play home and away matches as Knock out stage.

16 teams play home and away matches as Knock out stage.

8 teams play home and away matches as Knock out stage.

4 teams play home and away matches as Knock out stage.