Optus Stadium · Sun 20 May 2018, 4:40pm AEST
West Coast beat Richmond 20.10 (130) to 12.11 (83) in the 2018 Round 9 at Optus Stadium on Sun 20 May 2018.
Updated Sat 29 Sep 2018, 5:14pm (Melbourne time)
| Competition | AFL 2018, Round 9 |
| Venue | Optus Stadium |
| Bounce | Sun 20 May 2018, 4:40pm AEST |
| West Coast | 20.10 (130) |
| Richmond | 12.11 (83) |
| Result | West Coast by 47 points |