| 1. Jornada | 26.07.2003 | NK Osijek | - | NK Inter Zaprešić | 3:2 |  |
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| 2. Jornada | 03.08.2003 | HNK Cibalia | - | NK Osijek | 3:2 | ||||
| 3. Jornada | 09.08.2003 | NK Osijek | - | NK Varteks | 3:1 | ||||
| 4. Jornada | 16.08.2003 | Dinamo Zagreb | - | NK Osijek | 4:0 | ||||
| 5. Jornada | 23.08.2003 | NK Osijek | - | NK Marsonia | 2:1 | ||||
| 6. Jornada | 30.08.2003 | HNK Rijeka | - | NK Osijek | 2:0 | ||||
| 7. Jornada | 13.09.2003 | NK Osijek | - | NK Zadar | 1:2 | ||||
| 8. Jornada | 20.09.2003 | NK Osijek | - | Slaven Belupo | 0:1 | ||||
| 9. Jornada | 28.09.2003 | Hajduk Split | - | NK Osijek | 2:0 | ||||
| 10. Jornada | 04.10.2003 | NK Osijek | - | NK Zagreb | 5:2 | ||||
| 12. Jornada | 25.10.2003 | NK Inter Zaprešić | - | NK Osijek | 1:1 | ||||
| 14. Jornada | 08.11.2003 | NK Varteks | - | NK Osijek | 1:1 |
Croacia