| 2. Round | 02/08/2003 | Dinamo Zagreb | - | NK Marsonia | 7:0 | ||||
| 3. Round | 09/08/2003 | NK Marsonia | - | NK Zadar | 4:1 | ||||
| 4. Round | 16/08/2003 | NK Marsonia | - | HNK Rijeka | 1:1 |  |
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| 5. Round | 23/08/2003 | NK Osijek | - | NK Marsonia | 2:1 | |
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| 7. Round | 13/09/2003 | Hajduk Split | - | NK Marsonia | 5:0 |
Bosnia-Herzegovina