The Terps are looking to make their first NCAA tournament since 2012 despite a 8-11 conference record.
Montgomery started all five players celebrating their senior day in the second game of the Terps' doubleheader against Wisconsin on Saturday.
Courtney Wyche and Trinity Schlotterbeck combined to strike out 11 and only allowed three runs across the two games.
The Terps gave up two runs in the sixth inning and failed to score apart from Ameila Lech's one-run homer in the third inning.
The Terps were 1-of-9 with runners in scoring position in the loss.
The Terps reached the 30-win threshold for the first time since 2013 with 11 games remaining in the regular season.
Sunday's final inning against the Hawkeyes showed the the Terps' recent struggles in closing out games.
The Terps' veteran pitching and patience at the plate have led to program-defining success.
The Terps have lost four of their last five games.