| 1. Round | 29/09/1999 | St. Johnstone FC | - | AS Monaco | 3:3 |  |
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| 2. Round | 20/10/1999 | Widzew Łódź | - | AS Monaco | 1:1 | ||||
| 3. Round | 22/11/1999 | AEK Athen | - | AS Monaco | 2:2 | ||||
| Round of 16 | 01/03/2000 | RCD Mallorca | - | AS Monaco | 4:1 | ||||
| Round of 16 | 08/03/2000 | AS Monaco | - | RCD Mallorca | 1:0 |
Croatia