The 2002âÂÂ03 AFC Champions League was the twenty-second edition of Asia's premier football competition organised by the Asian Football Confederation, and the first edition under the AFC Champions League title.
Sixteen teams competed in this edition as they went through qualifying before going into four groups of four with only the winner of the group qualifying to the knockout-stage which went to two-legs instead of the single leg that the previous year competition had.
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BEC Tero Sasana won 3âÂÂ2 on aggregate.
Al-Ain won 7âÂÂ6 on aggregate.
Al-Ain won 2âÂÂ1 on aggregate.