Indiana was 2 of 12 from 3-point range (17%), 18 of 57 overall (32%) and 20 of 30 from the foul line.
It was the overall worst shooting game of the season and the first time the 72% free throw shooting team missed 10 from the line.
It added up to the Hoosiers matching their lowest output of the season, a 66-58 loss to Tennessee when they went 2 for 27 from 3-point range and shot 32%.
By they did make the plays down the stretch. Jada Pebbles led Illinois, which shot 30% and made 9 of 10 from the line, with 13 points.