The Nittany Lions clinched a spot in the tournament after defeating George Mason 3-1 in the EIVA Championship Saturday night.
Bridget Nemeth pitched twice and won twice across the weekend.
Bobby Marsh drove in five RBIs in the series finale.
"I find it hard to believe any team is going to lose with that kind of service game."
The Nittany Lions won back-to-back EIVA Championships and clinched a spot in the NCAA Tournament.
The Nittany Lions begin their Big Ten Tournament campaign at home on Saturday, April 27.