Guðmundsson appeared in 12 games this season for the Nittany Lions.
The game will be rescheduled at a later date.
The Nittany Lions are the top-ranked Big Ten team in the USILA and Inside Lacrosse polls.
Battle will take the stage of Medlar Field at Lubrano Park for his first home game as manager, on Friday, June 7, against the West Virginia Black Bears.
The Nittany Lions have yet to lose a series this season.
This year's Lady Lion team was considered a bubble team for March Madness after a six-game losing streak in February set it back in the Big Ten standings.