| 5. Round | 20/08/1998 | Wisła Kraków | - | Lech Poznań | 2:1 |  |
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| 6. Round | 28/08/1998 | Lech Poznań | - | Ruch Chorzów | 5:0 | ||||
| 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 | ||||
| 11. Round | 02/10/1998 | Polonia Warszawa | - | Lech Poznań | 1:2 | |
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| 13. Round | 23/10/1998 | Stomil Olsztyn | - | Lech Poznań | 0:2 | ||||
| 15. Round | 13/11/1998 | Lech Poznań | - | Ruch Radzionków | 1:2 | |
Poland