| 12. Jornada | 13.03.2021 | Melbourne Victory | - | Adelaide United | 1:3 | ||||
| 13. Jornada | 21.03.2021 | Newcastle United Jets | - | Adelaide United | 1:4 | ||||
| 14. Jornada | 28.03.2021 | Adelaide United | - | Sydney FC | 1:0 | ||||
| 15. Jornada | 01.04.2021 | Central Coast Mariners | - | Adelaide United | 2:1 | ||||
| 16. Jornada | 10.04.2021 | Adelaide United | - | Western Sydney Wanderers | 1:1 | ||||
| 16. Jornada | 14.04.2021 | Adelaide United | - | Macarthur FC | 3:1 | ||||
| 17. Jornada | 18.04.2021 | Sydney FC | - | Adelaide United | 2:2 | ||||
| 18. Jornada | 25.04.2021 | Wellington Phoenix | - | Adelaide United | 2:1 |  |
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| 19. Jornada | 30.04.2021 | Adelaide United | - | Western United | 0:0 | ||||
| 20. Jornada | 07.05.2021 | Adelaide United | - | Wellington Phoenix | 0:0 |
Australia
Malta