| 1 | |  Perth SC | 26 | 17 | 4 | 5 | 55 | 26 | 29 | 55 | G10:00 | 11/08/18 | R 24  Perth SC 2 Inglewood United 1 G10:00 | 18/08/18 | R 25 Perth SC 2 Perth Redstar FC 1 G10:00 | 25/08/18 | R 26 Joondalup United 0 Perth SC 2 M10:00 | 01/09/18 | R 1 Perth SC (2) 3 Perth Glory FC (4) 3 G14:00 | 04/09/18 | R 2 Perth SC 2 Cockburn City 1 G10:00 | 08/09/18 | R final Perth Glory FC 1 Perth SC 4 |
| 2 | |  Perth Glory FC | 26 | 16 | 6 | 4 | 72 | 32 | 40 | 54 | B10:00 | 04/08/18 | R 23 Inglewood United 3 Perth Glory FC 3 G10:00 | 11/08/18 | R 24 Armadale SC 1 Perth Glory FC 3 B10:00 | 18/08/18 | R 25 Perth Glory FC 3 Cockburn City 3 M10:00 | 25/08/18 | R 26 Subiaco AFC 1 Perth Glory FC 0 G10:00 | 01/09/18 | R 1 Perth SC (2) 3 Perth Glory FC (4) 3 M10:00 | 08/09/18 | R final Perth Glory FC 1 Perth SC 4 |
| 3 | |  Cockburn City | 26 | 14 | 6 | 6 | 59 | 40 | 19 | 48 | G10:00 | 04/08/18 | R 23 Cockburn City 4 Balcatta 1 M10:00 | 11/08/18 | R 24 Cockburn City 0 Floreat Athena 3 B10:00 | 18/08/18 | R 25 Perth Glory FC 3 Cockburn City 3 G10:00 | 25/08/18 | R 26 Cockburn City 4 Armadale SC 1 G14:00 | 01/09/18 | R 1 Cockburn City (5) 3 Bayswater City (4) 3 M14:00 | 04/09/18 | R 2 Perth SC 2 Cockburn City 1 |
| 4 | |  Bayswater City | 26 | 15 | 2 | 9 | 55 | 30 | 25 | 47 | M10:00 | 28/07/18 | R 22 Floreat Athena 2 Bayswater City 1 G10:00 | 04/08/18 | R 23 Bayswater City 1 Subiaco AFC 0 B10:00 | 11/08/18 | R 24 Bayswater City 2 Sorrento 2 G10:00 | 18/08/18 | R 25 Bayswater City 2 Forrestfield United 1 B10:00 | 25/08/18 | R 26 Perth Redstar FC 1 Bayswater City 1 M14:00 | 01/09/18 | R 1 Cockburn City (5) 3 Bayswater City (4) 3 |
| 5 | |  Inglewood United | 26 | 13 | 7 | 6 | 50 | 38 | 12 | 46 | B10:00 | 21/07/18 | R 21 Inglewood United 2 Floreat Athena 2 G14:00 | 28/07/18 | R 22 Forrestfield United 1 Inglewood United 2 B10:00 | 04/08/18 | R 23 Inglewood United 3 Perth Glory FC 3 M10:00 | 11/08/18 | R 24 Perth SC 2 Inglewood United 1 G10:00 | 18/08/18 | R 25 Inglewood United 7 Joondalup United 1 M10:00 | 25/08/18 | R 26 Balcatta 2 Inglewood United 1 |
| 6 | |  Perth Redstar FC | 26 | 13 | 5 | 8 | 48 | 37 | 11 | 44 | B10:00 | 21/07/18 | R 21 Armadale SC 3 Perth Redstar FC 3 G10:00 | 28/07/18 | R 22 Perth Redstar FC 5 Joondalup United 0 G10:00 | 04/08/18 | R 23 Forrestfield United 0 Perth Redstar FC 1 G10:00 | 11/08/18 | R 24 Balcatta 1 Perth Redstar FC 2 M10:00 | 18/08/18 | R 25 Perth SC 2 Perth Redstar FC 1 B10:00 | 25/08/18 | R 26 Perth Redstar FC 1 Bayswater City 1 |
| 7 | |  Floreat Athena | 26 | 12 | 5 | 9 | 53 | 40 | 13 | 41 | B10:00 | 21/07/18 | R 21 Inglewood United 2 Floreat Athena 2 G10:00 | 28/07/18 | R 22 Floreat Athena 2 Bayswater City 1 G10:00 | 04/08/18 | R 23 Armadale SC 0 Floreat Athena 5 G10:00 | 11/08/18 | R 24 Cockburn City 0 Floreat Athena 3 G10:00 | 18/08/18 | R 25 Floreat Athena 3 Subiaco AFC 2 G10:00 | 25/08/18 | R 26 Floreat Athena 2 Sorrento 1 |
| 8 | |  Sorrento | 26 | 10 | 4 | 12 | 50 | 49 | 1 | 34 | B10:00 | 21/07/18 | R 21 Sorrento 0 Perth Glory FC 0 G10:00 | 28/07/18 | R 22 Sorrento 5 Cockburn City 1 G10:00 | 04/08/18 | R 23 Joondalup United 1 Sorrento 3 B10:00 | 11/08/18 | R 24 Bayswater City 2 Sorrento 2 G10:00 | 18/08/18 | R 25 Sorrento 3 Armadale SC 1 M10:00 | 25/08/18 | R 26 Floreat Athena 2 Sorrento 1 |
| 9 | |  Stirling Macedonia FC | 26 | 10 | 2 | 14 | 51 | 53 | -2 | 32 | G10:00 | 21/07/18 | R 21 Stirling Macedonia FC 4 Subiaco AFC 1 M10:00 | 29/07/18 | R 22 Perth Glory FC 3 Stirling Macedonia FC 0 M10:00 | 04/08/18 | R 23 Perth SC 2 Stirling Macedonia FC 1 G10:00 | 11/08/18 | R 24 Stirling Macedonia FC 5 Joondalup United 0 G10:00 | 18/08/18 | R 25 Balcatta 1 Stirling Macedonia FC 3 G10:00 | 25/08/18 | R 26 Forrestfield United 1 Stirling Macedonia FC 8 |
| 10 | |  Armadale SC | 26 | 9 | 5 | 12 | 48 | 52 | -4 | 32 | B10:00 | 21/07/18 | R 21 Armadale SC 3 Perth Redstar FC 3 G10:00 | 28/07/18 | R 22 Subiaco AFC 2 Armadale SC 4 M10:00 | 04/08/18 | R 23 Armadale SC 0 Floreat Athena 5 M10:00 | 11/08/18 | R 24 Armadale SC 1 Perth Glory FC 3 M10:00 | 18/08/18 | R 25 Sorrento 3 Armadale SC 1 M10:00 | 25/08/18 | R 26 Cockburn City 4 Armadale SC 1 |
| 11 | |  Balcatta | 26 | 9 | 2 | 15 | 40 | 59 | -19 | 29 | G10:00 | 21/07/18 | R 21 Joondalup United 2 Balcatta 6 B10:00 | 28/07/18 | R 22 Balcatta 2 Perth SC 2 M10:00 | 04/08/18 | R 23 Cockburn City 4 Balcatta 1 M10:00 | 11/08/18 | R 24 Balcatta 1 Perth Redstar FC 2 M10:00 | 18/08/18 | R 25 Balcatta 1 Stirling Macedonia FC 3 G10:00 | 25/08/18 | R 26 Balcatta 2 Inglewood United 1 |
| 12 | |  Subiaco AFC | 26 | 7 | 5 | 14 | 29 | 46 | -17 | 26 | M10:00 | 21/07/18 | R 21 Stirling Macedonia FC 4 Subiaco AFC 1 M10:00 | 28/07/18 | R 22 Subiaco AFC 2 Armadale SC 4 M10:00 | 04/08/18 | R 23 Bayswater City 1 Subiaco AFC 0 G10:00 | 11/08/18 | R 24 Subiaco AFC 2 Forrestfield United 1 M10:00 | 18/08/18 | R 25 Floreat Athena 3 Subiaco AFC 2 G10:00 | 25/08/18 | R 26 Subiaco AFC 1 Perth Glory FC 0 |
| 13 | |  Forrestfield United | 26 | 5 | 7 | 14 | 34 | 58 | -24 | 22 | B10:00 | 21/07/18 | R 21 Cockburn City 1 Forrestfield United 1 M14:00 | 28/07/18 | R 22 Forrestfield United 1 Inglewood United 2 M10:00 | 04/08/18 | R 23 Forrestfield United 0 Perth Redstar FC 1 M10:00 | 11/08/18 | R 24 Subiaco AFC 2 Forrestfield United 1 M10:00 | 18/08/18 | R 25 Bayswater City 2 Forrestfield United 1 M10:00 | 25/08/18 | R 26 Forrestfield United 1 Stirling Macedonia FC 8 |
| 14 | |  Joondalup United | 26 | 1 | 2 | 23 | 21 | 102 | -81 | 5 | M10:00 | 21/07/18 | R 21 Joondalup United 2 Balcatta 6 M10:00 | 28/07/18 | R 22 Perth Redstar FC 5 Joondalup United 0 M10:00 | 04/08/18 | R 23 Joondalup United 1 Sorrento 3 M10:00 | 11/08/18 | R 24 Stirling Macedonia FC 5 Joondalup United 0 M10:00 | 18/08/18 | R 25 Inglewood United 7 Joondalup United 1 M10:00 | 25/08/18 | R 26 Joondalup United 0 Perth SC 2 |
