Lindy Milkowski hit a walkoff for the Hawkeyes.
Taylor Okada drove in the game winning run in extra innings to salvage a 1-1 set against the Fighting Illini.
Jaeda McFarland scored two runs to give the Terps a decisive victory in the second game of the set.
The Terps beat Ball State, Tulsa, Florida International and Samford.
It was the Terps' second loss to the Sun Devils in the tournament.
Anna Kufta clubbed a two-run homer against the Thunderbirds.
The Terps are entering on the back of three wins in four games last weekend.
The Terps took three of their four games at the Eagle Round Robin.
Wyche threw 15 strikeouts and allowed just one hit.