2005–06 UEFA Champions League knockout stage

First knockout round

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Second leg
''Rangers 3–3 Villarreal on aggregate. Villarreal won on away goals.''

''Werder Bremen 4–4 Juventus on aggregate. Juventus won on away goals.''

Barcelona won 3–2 on aggregate.

Milan won 5–2 on aggregate.

Lyon won 5–0 on aggregate.

Arsenal won 1–0 on aggregate.

Benfica won 3–0 on aggregate.

Internazionale won 3–2 on aggregate.

Quarter-finals

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Second leg
''Internazionale 2–2 Villarreal on aggregate. Villarreal won on away goals.''

Milan won 3–1 on aggregate.

Barcelona won 2–0 on aggregate.

Arsenal won 2–0 on aggregate.

Semi-finals

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Second leg
Arsenal won 1–0 on aggregate.

Barcelona won 1–0 on aggregate.