Optus Stadium · Sun 5 Aug 2018, 4:40pm AEST
West Coast beat Fremantle 21.16 (142) to 13.6 (84) in the 2018 Round 20 at Optus Stadium on Sun 5 Aug 2018.
Updated Sat 29 Sep 2018, 5:14pm (Melbourne time)
| Competition | AFL 2018, Round 20 |
| Venue | Optus Stadium |
| Bounce | Sun 5 Aug 2018, 4:40pm AEST |
| West Coast | 21.16 (142) |
| Fremantle | 13.6 (84) |
| Result | West Coast by 58 points |