Washington was disruptive defensively and gave itself a chance. But the Huskies couldn't find a way to get Brown untracked in the second half and had the long field goal-less streak to end their trip to Las Vegas.
The Huskies pulled away with 10 minutes left in the contest, going on a 16-2 run over six minutes.
The Huskies shook off an uneven start and dominated the final 30 minutes of the game, ending the regular season on a three-game winning streak as the team prepares for postseason play.
This is the first time Washington has beat the Ducks since 2019 and the first time they have beaten them at home since 2015.
The Washington men's basketball team fell to UCLA 77-66 in the Monday night make-up contest. It was a back-and-forth game until the second half when the Bruins (21-6, 13-5) were able to pull away.