Tumwater jumped to a 28-0 lead en route to a win in a preliminary round game in Tumwater 44-0.
The Thunderbirds (9-1) are No. 2 in the Associated Press Class 2A statewide poll. They proved to be too much for Washougal (5-5), the No. 3 seed from the 2A Greater St. Helens League.
Noah Andrews had a 52-yard touchdown run and Rico Spiegner added a 34-yard touchdown run in the first half.
No Washougal details were available.