Led by fourth-year head coach Brad Underwood, the Illini played their home games at the State Farm Center in Champaign, Illinois as members of the Big Ten Conference.

1 seed in the Midwest region, they defeated Drexel in the First Round before being upset by No.

[1] On April 7, 2020, freshman big man Kofi Cockburn declared for the NBA draft, but did not hire an agent, leaving open the chance that he would return to school for his sophomore season.

[3] Dosunmu did not hire an agent, but stated that he intended to stay in the draft.

[4] On July 31, Cockburn and Dosunmu announced they had withdrawn from the NBA draft and would return to Illinois for the season.