Hagerstown A advanced to the championship round of the PONY League Sectional Tournament at Funkhouser Park, while Hagerstown B was eliminated on Sunday.
The second game of Sunday's tripleheader matched the only two undefeated teams in the double-elimination tournament. Both were representing Hagerstown.
Hagerstown A erased a 4-0 deficit and rushed to a come-from-behind 17-10 win.
Hagerstown B went on to be eliminated in the nightcap in a heartbreaking 4-3 loss to Chambersburg American. Chambersburg American had earlier won the opener by eliminating Chambersburg Suburban 14-0 in five innings.
Hagerstown A and Chambersburg American meet tonight at 6 in the championship round. If Hagerstown A wins, it will clinch the title, but if Chambersburg American wins, a final game will follow.
No matter the outcome, both teams will advance to next weekend's West Regional Tournament in Boardman, Ohio.
In the second game, Hagerstown B took a 4-0 lead in the top of the first inning on two wild pitches and two errors.