Chance Davis doubled twice, added a single and drove in three runs to highlight an 11-hit attack as the Pioneers stopped the Blue Devils, 8-4.
Cy Underwood, Leighton Dunford and Dylan Bailey all had two hits for Fort Chiswell. Underwood and Dunford each drove in a pair of runs.
Cody Burke was the winning pitcher, fanning two Blue Devils batters during five innings of work.
Shawn Campbell had two hits for Grayson County (2-2, 0-1), while Brandt Caldwell drove in two runs.