| 2. Round | 14/08/2005 | Lierse SK (old) | - | Sint-Truidense VV | 1:0 | ||||
| 3. Round | 20/08/2005 | KSK Beveren | - | Lierse SK (old) | 4:1 | ||||
| 7. Round | 21/09/2005 | KVC Westerlo | - | Lierse SK (old) | 0:0 | ||||
| 8. Round | 25/09/2005 | Lierse SK (old) | - | RSC Anderlecht | 0:0 | ||||
| 10. Round | 15/10/2005 | Lierse SK (old) | - | SV Zulte Waregem | 0:2 | ||||
| 12. Round | 29/10/2005 | Lierse SK (old) | - | Cercle Brugge | 0:4 | ||||
| 5. Round | 09/11/2005 | Sporting Lokeren | - | Lierse SK (old) | 1:0 |  |
Croatia