| Preliminary Gr. D | 13/09/1999 | Manchester United | - | Croatia Zagreb | 0:0 | ||||
| Preliminary Gr. D | 21/09/1999 | Croatia Zagreb | - | Olympique Marseille | 1:2 | ||||
| Preliminary Gr. D | 28/09/1999 | Croatia Zagreb | - | Sturm Graz | 3:0 | ||||
| Preliminary Gr. D | 18/10/1999 | Sturm Graz | - | Croatia Zagreb | 1:0 |  |
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| Preliminary Gr. D | 26/10/1999 | Croatia Zagreb | - | Manchester United | 1:2 | ||||
| Preliminary Gr. D | 01/11/1999 | Olympique Marseille | - | Croatia Zagreb | 2:2 |
Croatia