Gustine dropped non-league varsity softball decisions to three opponents last week.
The Lady Reds were unable to establish a rhythm at the plate in the losses, scoring just one run in the three contests.
Elliott Christian dealt Gustine a 12-1 setback to close out the week for the Lady Reds.
The visiting Eagles scored in each inning to pull away to the six-inning victory.
Gustine scored its only run in the fourth, when Tianah Vitorino drove in Stacy Oliveira to put the Lady Reds on the board.
Lalanie Brace, Oliveira, Vitorino and Reina Maldonado hit safely for the Lady Reds.
Hilmar 19, GHS 0
The host Yellowjackets put the game out of reach early by plating nine runs in the bottom of the first and went on to win in five innings Thursday.
Kaitlyn Davis, Brace, Maldonado and Oliveira hit safely for the West Siders.
Pacheco 23, GHS 0
Host Pacheco led 15-0 after two innings on its way to a five-inning win over Gustine last Monday.
Paris Ross doubled for the Lady Reds, and Oliveira and Maryjane Miranda each collected a base hit for the Lady Reds.