Standing
| # | Team | MP | W | D | L | F | A | G | P |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Floreat Athena | 7 | 6 | 1 | 0 | 18 | 6 | +12 | 19 |
| 2 | ECU Joondalup | 6 | 5 | 0 | 1 | 11 | 5 | +6 | 15 |
| 3 | Perth | 6 | 4 | 1 | 1 | 14 | 9 | +5 | 13 |
| 4 | Sorrento | 6 | 4 | 1 | 1 | 12 | 9 | +3 | 13 |
| 5 | Bayswater City | 6 | 3 | 0 | 3 | 9 | 9 | +0 | 9 |
| 6 | Gwelup Croatia | 6 | 1 | 4 | 1 | 10 | 7 | +3 | 7 |
| 7 | Inglewood United | 6 | 2 | 0 | 4 | 12 | 11 | +1 | 6 |
| 8 | Balcatta | 6 | 1 | 2 | 3 | 7 | 9 | -2 | 5 |
| 9 | Armadale | 6 | 1 | 2 | 3 | 11 | 14 | -3 | 5 |
| 10 | Perth Glory II | 6 | 1 | 2 | 3 | 8 | 13 | -5 | 5 |
| 11 | Rockingham City | 6 | 1 | 1 | 4 | 3 | 14 | -11 | 4 |
| 12 | Cockburn City | 7 | 1 | 0 | 6 | 7 | 16 | -9 | 3 |
Fixtures
| May 8, 2021 | ||
| Gwelup Croatia | 10:00 | Inglewood United |
| Perth | 10:00 | Rockingham City |
| Floreat Athena | 10:00 | Sorrento |
| Bayswater City | 10:00 | ECU Joondalup |
| Cockburn City | 10:00 | Armadale |
| Perth Glory II | 14:00 | Balcatta |
| May 22, 2021 | ||
| Armadale | 10:00 | Bayswater City |
| Gwelup Croatia | 10:00 | Cockburn City |
| ECU Joondalup | 10:00 | Floreat Athena |
| Sorrento | 10:00 | Perth |
| Inglewood United | 10:00 | Balcatta |
| Rockingham City | 10:00 | Perth Glory II |
| May 29, 2021 | ||
| Bayswater City | 10:00 | Gwelup Croatia |
| Balcatta | 10:00 | Rockingham City |
| Cockburn City | 10:00 | Inglewood United |
| Floreat Athena | 10:00 | Armadale |
| Perth | 10:00 | ECU Joondalup |
| Perth Glory II | 10:00 | Sorrento |
Result
| May 1, 2021 | ||
| Inglewood United | 4 - 1 | Rockingham City |
| Sorrento | 1 - 0 | Balcatta |
| ECU Joondalup | 2 - 0 | Perth Glory II |
| Cockburn City | 0 - 1 | Bayswater City |
| Gwelup Croatia | 1 - 1 | Floreat Athena |
| Armadale | 3 - 4 | Perth |
| April 22, 2021 | ||
| Floreat Athena | 2 - 0 | Cockburn City |
| April 17, 2021 | ||
| Cockburn City | 0 - 3 | Perth |
| Armadale | 1 - 1 | Balcatta |
| Gwelup Croatia | 1 - 1 | Perth Glory II |
| Bayswater City | 1 - 4 | Floreat Athena |
| ECU Joondalup | 2 - 0 | Rockingham City |
| Inglewood United | 1 - 2 | Sorrento |
| April 10, 2021 | ||
| Perth Glory II | 5 - 3 | Cockburn City |
| Floreat Athena | 3 - 2 | Inglewood United |
| Rockingham City | 1 - 1 | Armadale |
| Sorrento | 0 - 3 | ECU Joondalup |
| Balcatta | 1 - 1 | Gwelup Croatia |
| Perth | 2 - 1 | Bayswater City |