The 2009 AFC Champions League knockout stage was played from 26 May to 7 November 2009. A total of 16 teams competed in the knockout stage to decide the champions of the 2009 AFC Champions League.
Qualified teams The winners and runners-up of each of the eight groups in the group stage qualified for the knockout stage. Both West Zone and East Zone had eight teams qualified.
ZoneGroupWinnersRunners-upWest Zone(Groups A–D)A Al-Hilal PakhtakorB Persepolis Al-ShababC Al-Ittihad Umm-SalalD Al-Ettifaq BunyodkorEast Zone(Groups E–H)E Nagoya Grampus Newcastle JetsF Gamba Osaka FC SeoulG Kashima Antlers Suwon Samsung BluewingsH Pohang Steelers Kawasaki Frontale Bracket
Note: while the bracket below shows the entire knockout stage, the draw for the round of 16 matches was determined at the time of the group draw, and kept teams from East and West Asia completely separate for that round.
The draw for the quarter-finals and beyond was held separately, and placed no restrictions on which teams could meet.
Round of 16 The draw for the round of 16 of the 2009 AFC Champions League was held on 7 January 2009, along with the draw for the group stage.
!colspan="3"|West Zone
!colspan="3"|East Zone
West Asia
East Asia
Quarter-finals The draw for the quarter-finals and the remaining knockout rounds took place at Kuala Lumpur, Malaysia on June 29, 2009.
First leg
Second leg
Pohang Steelers won 5–4 on aggregate.
Nagoya Grampus won 4–3 on aggregate.
Umm-Salal won 4–3 on aggregate.
Al-Ittihad won 5–1 on aggregate.
Semi-finals
First leg
Second leg
Al-Ittihad won 8–3 on aggregate.
Pohang won 4–1 on aggregate.
Final
References