| 1. Round | 24/07/1998 | GKS Bełchatów | - | Polonia Warszawa | 0:1 | ||||
| 2. Round | 31/07/1998 | Zagłębie Lubin | - | GKS Bełchatów | 1:2 | ||||
| 5. Round | 22/08/1998 | GKS Bełchatów | - | Ruch Radzionków | 2:1 | ||||
| 6. Round | 29/08/1998 | Amica Wronki | - | GKS Bełchatów | 2:0 | ||||
| 18. Round | 13/03/1999 | Stomil Olsztyn | - | GKS Bełchatów | 0:2 | ||||
| 30. Round | 28/05/1999 | GKS Bełchatów | - | Odra Wodzisław | 1:1 |
Poland