Nevada scored seven runs in the final three innings to mount a comeback victory against Pacific and advance to the championship round of Region 1.
The Wolfpack scored four runs in the fifth and plated two more in the top of the seventh, with the game-winner coming across on a double by Melissa Arriaga. McKenna Isenberg allowed 14 hits in the wild complete-game victory, striking out seven and moving to 18-12 on the season.
Haylee Moran-Rowen had four hits for Pacific; the teams combined to make nine errors.
Nevada will take on undefeated Cal Poly on Thursday for the Region 1 title in the double-elim bracket.