B Grade
Cockburn Gold defeated Kardy Kats 6/2
B Reserve
The Vale defeated Willagee Rugby Club 6/5
C Grade
Old Easts defeated Italian Club 6/1
C Reserve
Buffalo Club defeated Dalmatinac White 6/4
D Grade
Cockburn Bowling Club defeated Dalmatinac Blue 6/5
D Reserve
Dalmatinac defeated Fremantle United Black 6/1
Second Semi-Finals 05.09.2018
| B GRADE – Venue – Fremantle Italian Club (Back room) | ||
| Cockburn Blue | v | Buffalo Club |
| B RESERVE – Venue – Spearwood Dalmatinac Club | ||
| Old Easts | v | Nomads |
| C GRADE – Venue – Spearwood Dalmatinac Club | ||
| Kardy Kats | v | Cockburn Bowling Club |
| C RESERVE – Venue – Fremantle Italian Club (Bar area) | ||
| Kardy Kats | v | Navy Club |
| D GRADE – Venue – Cockburn Bowling Club (Visco Park) | ||
| Dalmatinac White | v | Cockburn RSL |
| D RESERVE – Venue – Cockburn Bowling Club (Visco Park) | ||
| Fremantle United White | v | Nomads |