The Hoosiers went on a 20-2 run in the second half that eliminated the Terps at the quarterfinal stage.
Hart notched six assists against the Golden Gophers with his role as a key ball handler and distributor for the Terps growing.
The Terps notched their third-worst shooting performance from the field, but used stellar defense to beat the ranked Hoosiers by double digits.
Trayce Jackson-Davis paced the Hoosiers' comeback with 17 second-half points.
The Terps are seeking their third straight win.
The Terps and Hoosiers square off Saturday in College Park.