Optus Stadium · Sat 22 Sep 2018, 3:20pm AEST
West Coast beat Melbourne 18.13 (121) to 7.13 (55) in the 2018 Preliminary Finals at Optus Stadium on Sat 22 Sep 2018.
Updated Sat 29 Sep 2018, 5:14pm (Melbourne time)
| Competition | AFL 2018, Preliminary Finals |
| Venue | Optus Stadium |
| Bounce | Sat 22 Sep 2018, 3:20pm AEST |
| West Coast | 18.13 (121) |
| Melbourne | 7.13 (55) |
| Result | West Coast by 66 points |