Tornetta spent her first three seasons with Princeton where she appeared in back-to-back Final Fours.
The Terps could miss the NCAA tournament for the first time since 1994.
The Terps did not register a shot on goal.
Freshmen Maura Verleg and Anna Castaldo scored their first career goals Friday evening.
The senior has four points in three games.
Donnelly has taken more shots than anyone else in the Big Ten through two games.
The Terps held practice tournaments throughout the fall, giving players a chance to stay fresh and build chemistry.
“One of our biggest [strengths] is being comfortable with the unknown," defender Riley Donnelly said.
The Terps didn't reach the national title game for the first time since 2016.