| 1 | |  Perth SC | 22 | 14 | 6 | 2 | 37 | 18 | 19 | 48 | B10:00 | 04/09/21 | R 22  Perth SC 0 Balcatta 0 G10:00 | 28/08/21 | R 21 Rockingham City 0 Perth SC 1 G10:00 | 21/08/21 | R 20 Perth SC 2 Sorrento 0 G10:00 | 14/08/21 | R 19 Ecu Joondalup 0 Perth SC 4 |
| 2 | |  Floreat Athena | 22 | 13 | 5 | 4 | 48 | 27 | 21 | 44 | G10:00 | 04/09/21 | R 22 Floreat Athena 5 Rockingham City 1 M10:00 | 28/08/21 | R 21 Sorrento 1 Floreat Athena 0 G10:00 | 21/08/21 | R 20 Floreat Athena 2 Ecu Joondalup 0 |
| 3 | |  Sorrento | 22 | 12 | 6 | 4 | 41 | 27 | 14 | 42 | G10:00 | 04/09/21 | R 22 Bayswater City 0 Sorrento 4 G10:00 | 28/08/21 | R 21 Sorrento 1 Floreat Athena 0 M10:00 | 21/08/21 | R 20 Perth SC 2 Sorrento 0 G10:00 | 14/08/21 | R 19 Sorrento 1 Perth Glory FC 0 B10:00 | 07/08/21 | R 18 Balcatta 2 Sorrento 2 |
| 4 | |  Perth Glory FC | 22 | 10 | 7 | 5 | 42 | 25 | 17 | 37 | G10:00 | 04/09/21 | R 22 Perth Glory FC 5 Inglewood United 1 B10:00 | 28/08/21 | R 21 Balcatta 3 Perth Glory FC 3 G12:00 | 21/08/21 | R 20 Perth Glory FC 2 Rockingham City 0 M10:00 | 14/08/21 | R 19 Sorrento 1 Perth Glory FC 0 |
| 5 | |  Inglewood United | 22 | 10 | 4 | 8 | 48 | 41 | 7 | 34 | M10:00 | 04/09/21 | R 22 Perth Glory FC 5 Inglewood United 1 G10:00 | 28/08/21 | R 21 Inglewood United 1 Gwelup Croatia SC 0 B14:30 | 25/08/21 | R 14 Ecu Joondalup 2 Inglewood United 2 B10:00 | 21/08/21 | R 20 Balcatta 2 Inglewood United 2 G10:00 | 14/08/21 | R 19 Inglewood United 1 Cockburn City 0 M10:00 | 07/08/21 | R 18 Rockingham City 2 Inglewood United 1 |
| 6 | |  Ecu Joondalup | 22 | 10 | 2 | 10 | 37 | 34 | 3 | 32 | M10:00 | 04/09/21 | R 22 Cockburn City 2 Ecu Joondalup 0 G10:00 | 28/08/21 | R 21 Ecu Joondalup 4 Bayswater City 2 B14:30 | 25/08/21 | R 14 Ecu Joondalup 2 Inglewood United 2 M10:00 | 21/08/21 | R 20 Floreat Athena 2 Ecu Joondalup 0 M10:00 | 14/08/21 | R 19 Ecu Joondalup 0 Perth SC 4 M10:00 | 07/08/21 | R 18 Perth Glory FC 3 Ecu Joondalup 0 |
| 7 | |  Armadale SC | 22 | 7 | 6 | 9 | 36 | 44 | -8 | 27 | B10:00 | 04/09/21 | R 22 Gwelup Croatia SC 1 Armadale SC 1 G10:00 | 28/08/21 | R 21 Armadale SC 3 Cockburn City 0 M10:00 | 21/08/21 | R 20 Bayswater City 3 Armadale SC 2 B10:00 | 14/08/21 | R 19 Armadale SC 3 Floreat Athena 3 M10:00 | 07/08/21 | R 18 Perth SC 2 Armadale SC 0 B14:30 | 30/07/21 | R 17 Perth Glory FC 1 Armadale SC 1 |
| 8 | |  Bayswater City | 22 | 8 | 3 | 11 | 39 | 49 | -10 | 27 | M10:00 | 04/09/21 | R 22 Bayswater City 0 Sorrento 4 M10:00 | 28/08/21 | R 21 Ecu Joondalup 4 Bayswater City 2 G10:00 | 21/08/21 | R 20 Bayswater City 3 Armadale SC 2 G10:00 | 14/08/21 | R 19 Gwelup Croatia SC 0 Bayswater City 7 G10:00 | 07/08/21 | R 18 Bayswater City 4 Cockburn City 3 M10:00 | 31/07/21 | R 17 Inglewood United 5 Bayswater City 0 |
| 9 | |  Cockburn City | 22 | 6 | 5 | 11 | 27 | 36 | -9 | 23 | G10:00 | 04/09/21 | R 22 Cockburn City 2 Ecu Joondalup 0 M10:00 | 28/08/21 | R 21 Armadale SC 3 Cockburn City 0 B10:00 | 21/08/21 | R 20 Cockburn City 1 Gwelup Croatia SC 1 M10:00 | 14/08/21 | R 19 Inglewood United 1 Cockburn City 0 M10:00 | 07/08/21 | R 18 Bayswater City 4 Cockburn City 3 B10:00 | 31/07/21 | R 17 Cockburn City 1 Floreat Athena 1 |
| 10 | |  Gwelup Croatia SC | 22 | 3 | 10 | 9 | 34 | 43 | -9 | 19 | B10:00 | 04/09/21 | R 22 Gwelup Croatia SC 1 Armadale SC 1 M10:00 | 28/08/21 | R 21 Inglewood United 1 Gwelup Croatia SC 0 B10:00 | 21/08/21 | R 20 Cockburn City 1 Gwelup Croatia SC 1 M10:00 | 14/08/21 | R 19 Gwelup Croatia SC 0 Bayswater City 7 M10:00 | 07/08/21 | R 18 Floreat Athena 2 Gwelup Croatia SC 1 M10:00 | 31/07/21 | R 17 Gwelup Croatia SC 1 Perth SC 2 |
| 11 | |  Balcatta | 22 | 4 | 7 | 11 | 28 | 44 | -16 | 19 | B10:00 | 04/09/21 | R 22 Perth SC 0 Balcatta 0 B10:00 | 28/08/21 | R 21 Balcatta 3 Perth Glory FC 3 B10:00 | 21/08/21 | R 20 Balcatta 2 Inglewood United 2 G10:00 | 14/08/21 | R 19 Rockingham City 0 Balcatta 3 B10:00 | 07/08/21 | R 18 Balcatta 2 Sorrento 2 M10:00 | 31/07/21 | R 17 Ecu Joondalup 4 Balcatta 1 |
| 12 | |  Rockingham City | 22 | 4 | 1 | 17 | 19 | 48 | -29 | 13 | M10:00 | 04/09/21 | R 22 Floreat Athena 5 Rockingham City 1 M10:00 | 28/08/21 | R 21 Rockingham City 0 Perth SC 1 M12:00 | 21/08/21 | R 20 Perth Glory FC 2 Rockingham City 0 M10:00 | 14/08/21 | R 19 Rockingham City 0 Balcatta 3 G10:00 | 07/08/21 | R 18 Rockingham City 2 Inglewood United 1 M10:00 | 31/07/21 | R 17 Sorrento 3 Rockingham City 1 |
