| 7. Round | 08/09/1998 | ŁKS Łódź | - | Lech Poznań | 1:2 | ||||
| 8. Round | 11/09/1998 | Lech Poznań | - | Górnik Zabrze | 3:1 | ||||
| 9. Round | 18/09/1998 | Pogoń Szczecin | - | Lech Poznań | 2:3 | ||||
| 4. Round | 22/09/1998 | Lech Poznań | - | GKS Bełchatów | 3:0 | ||||
| 10. Round | 25/09/1998 | Lech Poznań | - | Odra Wodzisław | 3:0 | ||||
| 11. Round | 02/10/1998 | Polonia Warszawa | - | Lech Poznań | 1:2 | ||||
| 12. Round | 16/10/1998 | Lech Poznań | - | Zagłębie Lubin | 4:0 | ||||
| 13. Round | 23/10/1998 | Stomil Olsztyn | - | Lech Poznań | 0:2 | ||||
| 14. Round | 29/10/1998 | Widzew Łódź | - | Lech Poznań | 3:0 | ||||
| 15. Round | 13/11/1998 | Lech Poznań | - | Ruch Radzionków | 1:2 | ||||
| 3. Round | 17/11/1998 | Legia Warszawa | - | Lech Poznań | 1:0 | ||||
| 21. Round | 09/04/1999 | Ruch Chorzów | - | Lech Poznań | 2:1 | ||||
| 26. Round | 11/05/1999 | Lech Poznań | - | Polonia Warszawa | 0:1 |
Poland