Carlie Schmitt and Nicole Black proved a powerful offensive combo, scoring a combined nine goals for Kennard-Dale. Black also recorded six assists.
Veronica Lloyd led the Spartans with three goals and one assist.
Rams goalie Allie Storke made four saves in the win.
Kennard-Dale advances to quarterfinal play No. 10-seed Lancaster Country Day at 5 p.m. Thursday at Susquehannock.
at Susquehannock H.S.
KENNARD-DALE 20, WYOMISSING 6
Wyomissing goals -- Veronica Lloyd 3, Samantha Lepore, Paige Garapola, Katie Cush.
Wyomissing assists -- Lloyd, Lepore, Alexis Garapola.
Kennard-Dale goals -- Carlie Schmitt 5, Nicole Black 4, Morgan Day 2, Haley Romoser 2, Katie Fonte, Lyndsey Duty, Taylor Davis, Abby Pietra, Ashton Leftridge, Danielle Markel, Cecilia Oliveros.