| 4. Round | 11/11/2018 | Melbourne Victory | - | Central Coast Mariners | 4:1 |  |
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| 6. Round | 01/12/2018 | Central Coast Mariners | - | Sydney FC | 1:2 | ||||
| 7. Round | 07/12/2018 | Western Sydney Wanderers | - | Central Coast Mariners | 2:0 | ||||
| 8. Round | 15/12/2018 | Wellington Phoenix | - | Central Coast Mariners | 2:0 | ||||
| 9. Round | 23/12/2018 | Central Coast Mariners | - | Newcastle United Jets | 1:2 |  |
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| 10. Round | 31/12/2018 | Central Coast Mariners | - | Perth Glory | 1:4 | ||||
| 11. Round | 04/01/2019 | Sydney FC | - | Central Coast Mariners | 5:2 | ||||
| 12. Round | 16/01/2019 | Central Coast Mariners | - | Melbourne City FC | 2:1 | ||||
| 14. Round | 20/01/2019 | Central Coast Mariners | - | Brisbane Roar | 1:1 | ||||
| 22. Round | 16/03/2019 | Newcastle United Jets | - | Central Coast Mariners | 2:3 | ||||
| 25. Round | 14/04/2019 | Melbourne Victory | - | Central Coast Mariners | 2:1 |
Iraq