| 19. Round | 23/01/1998 | Antalyaspor | - | Gaziantepspor | 2:1 |  |
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| 20. Round | 30/01/1998 | Gaziantepspor | - | Beşiktaş | 1:1 | ||||
| 21. Round | 06/02/1998 | Ankara Şekerspor | - | Gaziantepspor | 4:3 | ||||
| 22. Round | 14/02/1998 | Gaziantepspor | - | Gençlerbirliği | 1:1 | ||||
| 23. Round | 21/02/1998 | Dardanelspor | - | Gaziantepspor | 1:0 | ||||
| 24. Round | 28/02/1998 | Samsunspor | - | Gaziantepspor | 1:0 |  |
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| 25. Round | 07/03/1998 | Gaziantepspor | - | Trabzonspor | 1:3 | |
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| 27. Round | 21/03/1998 | Gaziantepspor | - | Galatasaray | 1:1 | |
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| 28. Round | 28/03/1998 | Kayserispor | - | Gaziantepspor | 1:0 | ||||
| 29. Round | 04/04/1998 | Gaziantepspor | - | İstanbulspor AŞ | 0:0 | ||||
| 30. Round | 11/04/1998 | Karabükspor | - | Gaziantepspor | 0:1 | ||||
| 31. Round | 17/04/1998 | Gaziantepspor | - | MKE Ankaragücü | 4:2 | |
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| 32. Round | 25/04/1998 | Bursaspor | - | Gaziantepspor | 1:2 | |
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| 34. Round | 10/05/1998 | Vanspor AS | - | Gaziantepspor | 0:0 |
Turkey