| 1. Round | 24/09/2003 | FK Matador Puchov | - | FC Barcelona | 1:1 | ||||
| 1. Round | 15/10/2003 | FC Barcelona | - | FK Matador Puchov | 8:0 | ||||
| 2. Round | 06/11/2003 | Panionios GSS | - | FC Barcelona | 0:3 | ||||
| 2. Round | 27/11/2003 | FC Barcelona | - | Panionios GSS | 2:0 | ||||
| 3. Round | 26/02/2004 | Brøndby IF | - | FC Barcelona | 0:1 | ||||
| 3. Round | 03/03/2004 | FC Barcelona | - | Brøndby IF | 2:1 | ||||
| Round of 16 | 11/03/2004 | Celtic FC | - | FC Barcelona | 1:0 | ||||
| Round of 16 | 25/03/2004 | FC Barcelona | - | Celtic FC | 0:0 |
Netherlands
