San Juan scored eight runs in the bottom of the third inning to take the Region 15 contest from Emery on Tuesday, 11-1.
Tatiana Sue Sue got the win for San Juan, her 2A-leading 11th on the season. The Lady Broncos also scored three runs in the bottom of the fifth to end the game early.
Kambri Hinkins had the only extra-base hit for the Lady Spartans. Emery scored its only run in the fifth.
The Lady Spartans (6-15, 1-5 Region 15) will host North Sevier (11-6, 0-3 Region 15) on Friday and then travel to Salina for a matchup with the Wolves on Saturday.