A huge game from Ally Larkin gives the Beavers their second Pac-12 win, and places the team on the verge of winning a berth in the conference tournament.
Aidan Marquez scored a hat trick, Wyatt Borso picked up two goals, and Michael Nesci created opportunities all over the field as the Beavers slipped back into top gear for the final stretch of the regular season.
Costly turnovers in the first half gave the Beavers an early lead, before a coup de grace from Michael Nesci early in the second half broke the Gauchos' spirit.
The Oregon State defense survived a tough Pilot attack, but a series of late challenges from Aidan Marquez and the Beaver forwards couldn't land a winning goal.
After trailing 1-0 after the first half, the Beavers grabbed control early in the second to pull off their biggest win of the season. Max Eisenberg, Wyatt Borso and Milo Wray all shined in the Oregon State victory.
A decent second half performance got the Beavers' their first goal since last Sunday and frustrated the Washington offense, but Oregon State still wasn't close to getting the upset.