Optus Stadium · Sat 8 Sep 2018, 8:10pm AEST
West Coast beat Collingwood 12.14 (86) to 10.10 (70) in the 2018 Finals Week 1 at Optus Stadium on Sat 8 Sep 2018.
Updated Sat 29 Sep 2018, 5:14pm (Melbourne time)
| Competition | AFL 2018, Finals Week 1 |
| Venue | Optus Stadium |
| Bounce | Sat 8 Sep 2018, 8:10pm AEST |
| West Coast | 12.14 (86) |
| Collingwood | 10.10 (70) |
| Result | West Coast by 16 points |