1988 West Coast Eagles season Regular season Regular season

| Round | Date_ | Score | Opponent | Opponent_s_Score | Result_ | Venue | Attendance | Best_on_ground | Team_ |
|---|---|---|---|---|---|---|---|---|---|
| 15 | Sunday, 10 July 2:10pm | 18.18 (126) | Geelong | 16.10 (106) | Won by 20 points | Subiaco Oval | 18537 | Chris Mainwaring | West Coast |
| 16 | Friday, 15 July 7:40pm | 14.14 (98) | Brisbane Bears | 12.17 (89) | Won by 9 points | WACA Ground | 16074 | Mark Withers | Brisbane Bears |
| 17 | Friday, 22 July 7:40pm | 8.16 (64) | Fitzroy | 19.20 (134) | Lost by 70 points | Melbourne Cricket Ground | 7611 | John Ironmonger | Fitzroy |
| 18 | Sunday, 31 July 2:10pm | 18.14 (122) | Melbourne | 11.12 (78) | Won by 44 points | Subiaco Oval | 16266 | Murray Rance | West Coast |
| 19 | Sunday, 7 August 2:10pm | 16.9 (115) | North Melbourne | 12.12 (84) | Won by 31 points | Subiaco Oval | 18193 | Guy McKenna | West Coast |