Ponderosa (9-2) tied the game at 2-2 in the top of the fourth when Sarah Coleman hit a two-out single to score Erin Fincher.
But Rock Canyon (10-3) exploded in the bottom of the inning.
Annalise Marshall’s one-out single to right brought Sydney Hairgrove home with the go-ahead run.
Following an RBI groundout by Brooke Wakefield, Zayne Blumberg stepped up with two runners aboard and ripped a shot back up the middle that went underneath the centerfielder’s glove and to the wall.
Both runners and Blumberg came around to score, giving Rock Canyon a 7-2 lead.
The Jaguars added another run in the fifth and three more in the sixth, outhitting the Mustangs 15-4.