Ft. Zumwalt North has has Washington's number in recent meetings and that carried over to Friday's Gateway Athletic Conference Central Division game in O'Fallon.
The Panthers scored early and often in a 56-7 win over the Blue Jays (0-5).
Ft. Zumwalt North (5-0) beat Washington twice last year, including in the Class 5 district playoffs.
The Blue Jays host Ft. Zumwalt South (0-5) in a league game next Friday.
Game coverage will be in the Wednesday Missourian.