| 16. Round | 26/02/1999 | Stomil Olsztyn | - | GKS Katowice | 2:1 | ||||
| 17. Round | 06/03/1999 | GKS Katowice | - | Lech Poznań | 1:2 | ||||
| 18. Round | 12/03/1999 | Ruch Radzionków | - | GKS Katowice | 1:1 | ||||
| 21. Round | 09/04/1999 | Legia Warszawa | - | GKS Katowice | 0:0 | ||||
| 22. Round | 16/04/1999 | GKS Katowice | - | GKS Bełchatów | 1:1 | ||||
| 23. Round | 22/04/1999 | Wisła Kraków | - | GKS Katowice | 4:1 |  |
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| 24. Round | 29/04/1999 | GKS Katowice | - | Ruch Chorzów | 0:1 | |
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| 25. Round | 07/05/1999 | ŁKS Łódź | - | GKS Katowice | 3:2 | |
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| 26. Round | 11/05/1999 | GKS Katowice | - | Górnik Zabrze | 1:1 | ||||
| 27. Round | 15/05/1999 | Pogoń Szczecin | - | GKS Katowice | 1:0 | ||||
| 28. Round | 21/05/1999 | GKS Katowice | - | Odra Wodzisław | 1:1 | |
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| 30. Round | 28/05/1999 | GKS Katowice | - | Zagłębie Lubin | 2:2 | |
Poland