| 1. Jornada | 26.07.2003 | NK Marsonia | - | NK Varteks | 0:0 | ||||
| 5. Jornada | 23.08.2003 | NK Osijek | - | NK Marsonia | 2:1 | ||||
| 6. Jornada | 30.08.2003 | NK Marsonia | - | Slaven Belupo | 0:0 | ||||
| 8. Jornada | 20.09.2003 | NK Marsonia | - | NK Zagreb | 3:0 | ||||
| 10. Jornada | 04.10.2003 | NK Marsonia | - | NK Inter Zaprešić | 0:1 | ||||
| 11. Jornada | 18.10.2003 | HNK Cibalia | - | NK Marsonia | 2:4 |  |
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| 12. Jornada | 25.10.2003 | NK Varteks | - | NK Marsonia | 1:1 | |
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| 13. Jornada | 02.11.2003 | NK Marsonia | - | Dinamo Zagreb | 1:3 | |
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| 14. Jornada | 08.11.2003 | NK Zadar | - | NK Marsonia | 3:2 | ||||
| 15. Jornada | 22.11.2003 | HNK Rijeka | - | NK Marsonia | 3:1 | ||||
| 16. Jornada | 29.11.2003 | NK Marsonia | - | NK Osijek | 1:2 | |
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| 17. Jornada | 06.12.2003 | Slaven Belupo | - | NK Marsonia | 3:1 | |
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| 21. Jornada | 13.03.2004 | NK Inter Zaprešić | - | NK Marsonia | 1:1 |  |
Croacia