Optus Stadium · Sun 16 May 2021, 4:40pm AEST
West Coast beat Adelaide 16.10 (106) to 11.10 (76) in the 2021 Round 9 at Optus Stadium on Sun 16 May 2021.
Updated Sat 25 Sep 2021, 10:28pm (Melbourne time)
| Competition | AFL 2021, Round 9 |
| Venue | Optus Stadium |
| Bounce | Sun 16 May 2021, 4:40pm AEST |
| West Coast | 16.10 (106) |
| Adelaide | 11.10 (76) |
| Result | West Coast by 30 points |