| Preliminary Gr. A | 13/09/1999 | Bayer Leverkusen | - | Lazio Roma | 1:1 | ||||
| Preliminary Gr. A | 28/09/1999 | Lazio Roma | - | Maribor Teatanic | 4:0 | ||||
| Preliminary Gr. A | 26/10/1999 | Lazio Roma | - | Bayer Leverkusen | 1:1 | ||||
| Intermediate Gr. D | 23/11/1999 | Olympique Marseille | - | Lazio Roma | 0:2 |  |
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| Intermediate Gr. D | 06/12/1999 | Lazio Roma | - | Chelsea FC | 0:0 | ||||
| Intermediate Gr. D | 28/02/2000 | Lazio Roma | - | Feyenoord | 1:2 | ||||
| Intermediate Gr. D | 07/03/2000 | Feyenoord | - | Lazio Roma | 0:0 | ||||
| Intermediate Gr. D | 13/03/2000 | Lazio Roma | - | Olympique Marseille | 5:1 | ||||
| Intermediate Gr. D | 21/03/2000 | Chelsea FC | - | Lazio Roma | 1:2 | ||||
| Quarter-finals | 17/04/2000 | Lazio Roma | - | Valencia CF | 1:0 |
Italy