Davis (11-2) was dominant on the mound and Washington (40-15-1) had 11 hits.
Washington pushed ahead 1-0 in the first inning and then broke it open in the fourth with four more runs. The Huskies scored all of their runs in the fourth with two outs.
Braden Bishop and Brandon Berry each had three hits.
Georgia Tech (36-26), which won the Atlantic Coast Conference tournament championship last weekend, couldn’t capitalize on that momentum.
The Yellow Jackets will play Jacksonville State in an elimination game today.
Josh Heddinger (4-5) took the loss, giving up five runs over 5 2/3 innings.
Washington will play today against regional host Mississippi.
Mississippi 12, Jacksonville St 2: Chris Ellis scattered eight hits in a complete game, Sikes Orvis drove in five runs and Mississippi cruised past Jacksonville State in the opening round of the Oxford regional.
Ole Miss (42-18) scored five runs with two outs in the first inning to break the game open early. The Rebels had 17 hits, led by Orvis’ 3-for-4 performance that included a double and a homer.
Jacksonville State (36-26) scored a run in the top of the first, but Ellis (10-1) didn’t allow another one until the ninth. It was his second complete game of the season.
Zachary Fowler (7-8) took the loss for Jacksonville State after his start ended after completing just two-thirds of an inning.
Alabama 6, Florida State 5: Wass and Mikey White homered, left-hander Justin Kamplain pitched eight scoreless innings and Alabama eliminated Florida State from the Tallahassee Regional.
Kamplain (7-3) was lifted after surrendering a leadoff single in the ninth, and Florida State capitalized on the wildness of two Alabama relievers for its runs.
The Seminoles (43-17) managed only eight singles in their two tournament losses.
White led off the third inning with a line drive to left field for his seventh home run of the season to give Alabama a 1-0 lead. It was the Crimson Tide’s only earned run off Florida State ace Luke Weaver (8-4).
Alabama (35-23) scored a pair of unearned runs in the fifth to take a 3-0 lead. Wass’ two-out grounder went through the legs of Florida State third baseman Jose Brizuela, allowing White to score.
Austen Smith followed with his second double of the game to score Wass, who added a two-run homer in the seventh.
Alabama survived to play today, against the loser of Saturday night’s game between Kennesaw State and Georgia Southern, for the right to reach the regional championship.