| 1. Round | 27/07/2003 | Hajduk Split | - | NK Zagreb | 2:0 |  |
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| 3. Round | 09/08/2003 | NK Zagreb | - | Kamen Ingrad | 3:1 |  |
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| 4. Round | 16/08/2003 | NK Inter Zaprešić | - | NK Zagreb | 1:1 | |
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| 5. Round | 23/08/2003 | NK Zagreb | - | HNK Cibalia | 2:0 | |
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| 6. Round | 31/08/2003 | NK Varteks | - | NK Zagreb | 2:0 | |
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| 7. Round | 13/09/2003 | NK Zagreb | - | Dinamo Zagreb | 0:2 | ||||
| 9. Round | 27/09/2003 | NK Zagreb | - | HNK Rijeka | 1:1 | ||||
| 11. Round | 18/10/2003 | NK Zagreb | - | Slaven Belupo | 1:1 | ||||
| 12. Round | 25/10/2003 | NK Zagreb | - | Hajduk Split | 0:2 | ||||
| 13. Round | 02/11/2003 | NK Zagreb | - | NK Zadar | 3:1 | ||||
| 14. Round | 08/11/2003 | Kamen Ingrad | - | NK Zagreb | 1:1 | |
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| 16. Round | 29/11/2003 | HNK Cibalia | - | NK Zagreb | 1:1 | |
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| 17. Round | 06/12/2003 | NK Zagreb | - | NK Varteks | 1:1 | ||||
| 18. Round | 21/02/2004 | Dinamo Zagreb | - | NK Zagreb | 1:1 | |
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| 19. Round | 28/02/2004 | NK Zagreb | - | NK Marsonia | 2:3 | |
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| 20. Round | 06/03/2004 | HNK Rijeka | - | NK Zagreb | 1:0 | ||||
| 21. Round | 13/03/2004 | NK Zagreb | - | NK Osijek | 0:0 |
Germany
