| 1. Round | 27/07/2003 | Hajduk Split | - | NK Zagreb | 2:0 | ||||
| 3. Round | 09/08/2003 | NK Zagreb | - | Kamen Ingrad | 3:1 | ||||
| 4. Round | 16/08/2003 | NK Inter Zaprešić | - | NK Zagreb | 1:1 | ||||
| 5. Round | 23/08/2003 | NK Zagreb | - | HNK Cibalia | 2:0 |  |
|||
| 7. Round | 13/09/2003 | NK Zagreb | - | Dinamo Zagreb | 0:2 | ||||
| 9. Round | 27/09/2003 | NK Zagreb | - | HNK Rijeka | 1:1 | ||||
| 10. Round | 04/10/2003 | NK Osijek | - | NK Zagreb | 5:2 | ||||
| 13. Round | 02/11/2003 | NK Zagreb | - | NK Zadar | 3:1 | ||||
| 15. Round | 22/11/2003 | NK Zagreb | - | NK Inter Zaprešić | 1:1 | ||||
| 17. Round | 06/12/2003 | NK Zagreb | - | NK Varteks | 1:1 | ||||
| 18. Round | 21/02/2004 | Dinamo Zagreb | - | NK Zagreb | 1:1 | ||||
| 19. Round | 28/02/2004 | NK Zagreb | - | NK Marsonia | 2:3 | ||||
| 20. Round | 06/03/2004 | HNK Rijeka | - | NK Zagreb | 1:0 | ||||
| 22. Round | 20/03/2004 | Slaven Belupo | - | NK Zagreb | 1:0 |
Croatia