| 9 | Sat Dec 6 | at #13Tennessee | 8:00 PM | 7-2 | .778 | #14 | ESPN | Thompson-Boling Arena · Knoxville, TN |
| 10 | Tue Dec 9 | atOhio State | 7:30 PM | 6-1 | .857 | #14 | Peacock | Value City Arena · Columbus, OH |
| 11 | Sat Dec 13 | vsNebraska | 4:00 PM | 8-0 | 1.000 | #14 | Peacock | State Farm Center · Champaign, IL |
| 12 | Mon Dec 22 | vsMissouri | 8:00 PM | 8-1 | .889 | #14 | FS1 | State Farm Center · Champaign, IL |
| 13 | Mon Dec 29 | vsSouthern | 3:00 PM | 4-4 | .500 | #14 | BTN | State Farm Center · Champaign, IL |
| 14 | Sat Jan 3 | atPenn State | 7:00 PM | 8-1 | .889 | #14 | BTN | Bryce Jordan Center · University Park, PA |
| 15 | Thu Jan 8 | vsRutgers | 8:30 PM | 5-4 | .556 | #14 | | State Farm Center · Champaign, IL |
| 16 | Sun Jan 11 | atIowa | TBD | 7-1 | .875 | #14 | | Carver-Hawkeye Arena · Iowa City, IA |
| 17 | Wed Jan 14 | atNorthwestern | 8:30 PM | 5-3 | .625 | #14 | | Welsh-Ryan Arena · Evanston, IL |
| 18 | Sat Jan 17 | vsMinnesota | 12:00 PM | 5-4 | .556 | #14 | | State Farm Center · Champaign, IL |
| 19 | Wed Jan 21 | vsMaryland | 7:00 PM | 6-3 | .667 | #14 | BTN | State Farm Center · Champaign, IL |
| 20 | Sat Jan 24 | at#1Purdue | 3:00 PM | 8-0 | 1.000 | #14 | | Mackey Arena · West Lafayette, IN |
| 21 | Thu Jan 29 | vsWashington | 9:00 PM | 5-3 | .625 | #14 | | State Farm Center · Champaign, IL |
| 22 | Sun Feb 1 | atNebraska | 4:00 PM | 8-0 | 1.000 | #14 | FS1 | Pinnacle Bank Arena · Lincoln, NE |
| 23 | Wed Feb 4 | vsNorthwestern | 9:00 PM | 5-3 | .625 | #14 | | State Farm Center · Champaign, IL |
| 24 | Sat Feb 7 | at#7Michigan St | 8:00 PM | 8-0 | 1.000 | #14 | | Breslin Center · East Lansing, MI |
| 25 | Tue Feb 10 | vsWisconsin | 8:00 PM | 6-2 | .750 | #14 | | State Farm Center · Champaign, IL |
| 26 | Sun Feb 15 | vs#22Indiana | 1:00 PM | 7-1 | .875 | #14 | | State Farm Center · Champaign, IL |
| 27 | Wed Feb 18 | at#24USC | 10:00 PM | 8-0 | 1.000 | #14 | | Galen Center · Los Angeles, CA |
| 28 | Sat Feb 21 | atUCLA | 8:00 PM | 6-2 | .750 | #14 | | Pauley Pavilion · Los Angeles, CA |
| 29 | Fri Feb 27 | vs#3Michigan | 8:00 PM | 7-0 | 1.000 | #14 | | State Farm Center · Champaign, IL |
| 30 | Tue Mar 3 | vsOregon | 9:00 PM | 4-4 | .500 | #14 | | State Farm Center · Champaign, IL |
| 31 | Sun Mar 8 | atMaryland | 3:00 PM | 6-3 | .667 | #14 | | XFINITY Center · College Park, MD |
