Freshman Ethan Phillips threw 4⅔ innings, allowing zero earned runs in the victory.
For the first time since the 2019 season, Indiana will play Illinois on the road.
Brock Tibbitts went 3-for-3 with a pair of home runs in Indiana’s win on Tuesday.
The Hoosiers went 4-0 this week, including a series sweep against Ohio State.
In Sunday’s doubleheader, Matthew Ellis drove in four runs, while Bobby Whalen and Hunter Jessee scored four times.
Reliever Gabe Levy held Ohio State scoreless for three innings as Indiana went up 8-6.
Once Indiana State tied the game 4-4, Indiana baseball scored 11 runs in one inning.