Gabby Mongno scored the lone goal in the first quarter to lead Bernards to a 1-0 victory over South Plainfield in Bernardsville.
In a defensive battle, Bernards outshot South Plainfield 5-4. Morgan Monica recorded five saves, earning the shutout.
Tatiana Rowlands finished with three saves for South Plainfield.
Bernards (4-5) will host Delaware Valley on Monday, while South Plainfield (7-3) will travel to Johnson on Saturday.