Southeastern Oklahoma State (16-29-1, 13-17 GAC) scored first in the top of the first inning on a sacrfice fly.
The Weevils (29-19, 22-11 GAC) answered in the bottom of the second as Brady Weiss singled to right field to bring in a run and tie the game. Sean Wagner later knocked in a run on a ground out to give UAM the 2-1 edge.
Arkansas-Monticello increased its lead when Nick Piraino hit into a fielder’s choice to bring in a run and Weiss drew a walk to see another run cross the plate.
Wagner continued the Weevil offensive attack in the fourth with a RBI single to left field, and Andres Rios capped off the scoring with a sacrifice fly giving UAM the 6-1 advantage.
Despite a Southeastern comeback, Arkansas-Monticello held on for the 6-5 win and took the series.
Braden Chambers (W, 8-3) got the start on the mound as he threw 6.1 total innings, allowing three hits, and totaled eight strikeouts in the match-up for the win.
Michael Harrison came on to throw 1.2 innings in relief, only giving up one hit and recorded one strikeout. Landon McFadden (S, 4) earned himself the save throwing the final inning of the contest, and struck out one batter.
UAM will face either Arkansas Tech or Harding on May 12 to open the GAC Championship Tournament Final Four round in Arkadelphia.