| 5. Round | 16/09/2023 | Kayserispor | - | Gaziantep FK | 2:0 | ||||
| 6. Round | 22/09/2023 | Gaziantep FK | - | İstanbulspor AŞ | 2:0 | ||||
| 7. Round | 29/09/2023 | Samsunspor | - | Gaziantep FK | 1:2 | ||||
| 8. Round | 07/10/2023 | İstanbul Başakşehir | - | Gaziantep FK | 2:0 | ||||
| 9. Round | 21/10/2023 | Gaziantep FK | - | Antalyaspor | 1:0 | ||||
| 10. Round | 30/10/2023 | Beşiktaş | - | Gaziantep FK | 2:0 | ||||
| 11. Round | 06/11/2023 | Gaziantep FK | - | Çaykur Rizespor | 2:0 | ||||
| 12. Round | 11/11/2023 | Alanyaspor | - | Gaziantep FK | 0:3 | ||||
| 13. Round | 25/11/2023 | Gaziantep FK | - | MKE Ankaragücü | 0:1 |  |
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| 14. Round | 03/12/2023 | Kasımpaşa SK | - | Gaziantep FK | 4:2 | ||||
| 15. Round | 10/12/2023 | Gaziantep FK | - | Trabzonspor | 1:3 | ||||
| 16. Round | 10/01/2024 | Hatayspor | - | Gaziantep FK | 0:0 | ||||
| 22. Round | 24/01/2024 | Gaziantep FK | - | Konyaspor | 1:1 | ||||
| 25. Round | 11/02/2024 | İstanbulspor AŞ | - | Gaziantep FK | 1:3 | ||||
| 27. Round | 24/02/2024 | Gaziantep FK | - | İstanbul Başakşehir | 0:2 |
Brazil
Romania