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.

West Asia

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East Asia

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Quarter-finals

The draw for the quarter-finals and the remaining knockout rounds took place at Kuala Lumpur

Kuala Lumpur

Kuala Lumpur is the capital and the second largest city in Malaysia by population. The city proper, making up an area of , has a population of 1.4 million as of 2010. Greater Kuala Lumpur, also known as the Klang Valley, is an urban agglomeration of 7.2 million...

, Malaysia on June 29, 2009.

First leg

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Second leg

Pohang Steelers won 5–4 on aggregate.
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Nagoya Grampus won 4–3 on aggregate.
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Umm-Salal won 4–3 on aggregate.
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Al-Ittihad won 5–1 on aggregate.

First leg

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Second leg

Al-Ittihad won 8–3 on aggregate.
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Pohang won 4–1 on aggregate.

Final