| 1. Round | 12/08/2018 | Denizlispor | - | Gazişehir Gaziantep FK | 0:1 |  |
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| 2. Round | 19/08/2018 | Gazişehir Gaziantep FK | - | İstanbulspor AŞ | 1:1 | ||||
| 4. Round | 02/09/2018 | Hatayspor | - | Gazişehir Gaziantep FK | 0:1 | ||||
| 5. Round | 16/09/2018 | Gazişehir Gaziantep FK | - | Altınordu FK | 1:0 | ||||
| 7. Round | 01/10/2018 | Gazişehir Gaziantep FK | - | Osmanlıspor FK | 2:3 | ||||
| 15. Round | 10/12/2018 | Gazişehir Gaziantep FK | - | Balıkesirspor | 0:2 |
Turkey