Quarter-final 1 edit
| Home Team | Score | Away Team | Venue | Date | |
|---|---|---|---|---|---|
| Game 1 | Hapoel Jerusalem 
|
79 - 72 |  Lietuvos Rytas
|
Jerusalem | March 2, 2004 |
| Game 2 | Lietuvos Rytas
|
81 - 80 | Hapoel Jerusalem
|
Vilnius | March 9, 2004 |
Quarter-final 2 edit
| Home Team | Score | Away Team | Venue | Date | |
|---|---|---|---|---|---|
| Game 1 | Caprabo Lleida 
|
82 - 73 | Adecco Estudiantes
|
Lleida | March 2, 2004 |
| Game 2 | Adecco Estudiantes
|
96 - 68 | Caprabo Lleida
|
Madrid | March 9, 2004 |
Quarter-final 3 edit
| Home Team | Score | Away Team | Venue | Date | |
|---|---|---|---|---|---|
| Game 1 | Real Madrid
|
68 - 67 |  Metis Varese
|
Madrid | March 2, 2004 |
| Game 2 | Metis Varese
|
57 - 62 | Real Madrid
|
Varese | March 9, 2004 |
Quarter-final 4 edit
| Home Team | Score | Away Team | Venue | Date | |
|---|---|---|---|---|---|
| Game 1 | BC Reflex 
|
81 - 73 | DKV Joventut
|
Belgrade | March 2, 2004 |
| Game 2 | DKV Joventut
|
83 - 79 | BC Reflex
|
Badalona | March 9, 2004 |