| DATE | ROUND | MATCH | RES. |
| 08.12.99 | qualifier - 1. leg | ASK Inter Bratislava - FC Bylis Balls (Albania) | 3 : 1 (2 : 0) |
| 08.26.99 | qualifier - 2. leg | FC Bylis Balls - ASK Inter Bratislava | 0 : 2 (0 : 1) |
| - | - | - | - |
| 09.16.99 | 1. round - 1. leg | ASK Inter Bratislava - Rapid Viena (Austria0 | 1 : 0 (1 : 0) |
| 09.30.99 | 1. round - 2. leg | Rapid Viena - ASK Inter Bratislava | 1 : 2 (0 : 1) |
| - | - | - | - |
| 10/21/99 | 2. round - 1. leg | ASK Inter Bratislava - FC Nantes (France) | 0 : 3 (0 : 2) |
| 11/04/99 | 2. round - 2. leg | FC Nantes - ASK Inter Bratislava | 4 : 0 (0 : 0) |
| DATE | ROUND | MATCH | RES. |
| 08.12.99 | qualifier - 1. leg | Free draw | - |
| 08.26.99 | qualifier - 2. leg | Free draw | - |
| - | - | - | - |
| 09.16.99 | 1. round - 1. leg | Ajax Amsterdam (Netherlands) - Dukla Banska Bystrica | 6 : 1 (2 : 1) |
| 09.30.99 | 1. round - 2. leg | Dukla Banska Bystrica - Ajax Amsterdam | 1 : 3 (1 : 0) |
| DATE | ROUND | MATCH | RES. |
| 08.12.99 | qualifier - 1. leg | KS Vllaznia Skodra (Albania) - Spartak Trnava | 1 : 1 (1 : 1) |
| 08.26.99 | qualifier - 2. leg | Spartak Trnava - KS Vllaznia Skodra | 2 : 0 (0 : 0) |
| - | - | - | - |
| 09.16.99 | 1. round - 1. leg | AK Graz (Austria) - Spartak trnava | 3 : 0 (2 : 0) |
| 09.30.99 | 1. round - 2. leg | Spartak Trnava - AK Graz | 2 : 1 (1 : 1) |
