2004 Copa Sudamericana

First stage

Argentina Preliminary

|- !colspan="5"|Argentina 3A Preliminary |- !colspan="5"|Argentina 4A Preliminary |}

Brazil Preliminary

First round

|- !colspan="5"|Brazil 1A Preliminary |- !colspan="5"|Brazil 2A Preliminary |- !colspan="5"|Brazil 3A Preliminary |- !colspan="5"|Brazil 4A Preliminary |}

Second round

|- !colspan="5"|Brazil 5A Preliminary |- !colspan="5"|Brazil 6A Preliminary |- !colspan="5"|Brazil 7A Preliminary |- !colspan="5"|Brazil 8A Preliminary |}

Ecuador/Cienciano/Venezuela Preliminary

First round

|- !colspan="5"|Venezuela Preliminary |}

Second round

|- !colspan="5"|Venezuela/Cienciano Preliminary |- !colspan="5"|Ecuador Preliminary |}

Chile/Bolivia Preliminary

|- !colspan="5"|Chile Preliminary |- !colspan="5"|Bolivia Preliminary |}

Colombia/Peru Preliminary

|- !colspan="5"|Colombia Preliminary |- !colspan="5"|Peru Preliminary |}

Paraguay/Uruguay Preliminary

|- !colspan="5"|Paraguay Preliminary |- !colspan="5"|Uruguay Preliminary |}

Second stage

Argentina Zone

|- !colspan="5"|Quarterfinalist 4 |- !colspan="5"|Quarterfinalist 6 |}

Brazil Zone

|- !colspan="5"|Quarterfinalist 2 |- !colspan="5"|Quarterfinalist 7 |}

Ecuador/2003 Champion/Venezuela Zone

|- !colspan="5"|Quarterfinalist 8 |}

Chile/Bolivia Zone

|- !colspan="5"|Quarterfinalist 5 |}

Colombia/Peru Zone

|- !colspan="5"|Quarterfinalist 1 |}

Paraguay/Uruguay Zone

|- !colspan="5"|Quarterfinalist 3 |}

Bracket

| team-width = 150

| RD1-team1=COL Junior | RD1-score1-1=0 | RD1-score1-2=1 | RD1-score1-agg=1 | RD1-team2=BRA Internacional | RD1-score2-1=1 | RD1-score2-2=1 | RD1-score2-agg=2

| RD1-team3=PAR Cerro Porteño | RD1-score3-1=1 | RD1-score3-2=0 | RD1-score3-agg=1 (7) | RD1-team4=ARG Boca Juniors | RD1-score4-1=1 | RD1-score4-2=0 | RD1-score4-agg=1 (8)

| RD1-team5=BOL Bolívar | RD1-score5-1=0 | RD1-score5-2=3 | RD1-score5-agg=3 | RD1-team6=ARG Arsenal | RD1-score6-1=1 | RD1-score6-2=0 | RD1-score6-agg=1

| RD1-team7=BRA Santos | RD1-score7-1=2 | RD1-score7-2=1 | RD1-score7-agg=3 | RD1-team8=ECU LDU Quito | RD1-score8-1=3 | RD1-score8-2=2 | RD1-score8-agg=5

| RD2-team1=BRA Internacional | RD2-score1-1=0 | RD2-score1-2=2 | RD2-score1-agg=2 | RD2-team2=ARG Boca Juniors | RD2-score2-1=0 | RD2-score2-2=4 | RD2-score2-agg=4

| RD2-team3=BOL Bolívar | RD2-score3-1=1 | RD2-score3-2=2 | RD2-score3-agg=3 | RD2-team4=ECU LDU Quito | RD2-score4-1=1 | RD2-score4-2=1 | RD2-score4-agg=2

| RD3-team1=ARG Boca Juniors | RD3-score1-1=0 | RD3-score1-2=2 | RD3-score1-agg=2 | RD3-team2=BOL Bolívar | RD3-score2-1=1 | RD3-score2-2=0 | RD3-score2-agg=1

Quarterfinals

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Semifinals

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Finals

Main article: 2004 Copa Sudamericana Finals

Tevez