The Huskies also lost to UCSB, falling 3-2 in 14 innings Friday night, before defeating Vanderbilt 9-8 Saturday night to send the Commodores home.
Here's an updated look at the Regional bracket heading into Sunday evening.
How to watch
First Pitch: 9 p.m. ET
Stream: ESPN3 (Where available)
Live Stats: StatBroadcast
Check back closer to game time!
For more on Xavier, visit our friends at Banners on the Parkway.
For more on Washington, visit their official site right here.