| Game Date | Arena | Score | Opponent | Location | Outcome | Game Chart |
| Mon 11/12/2012 | Redbird Arena, Normal, IL
| 100 - 72 | 244 (9-20) UC Santa Barbara at 99 (18-15) Illinois St | Home | W | 0.993 |
| Thu 11/15/2012 | John A Daskalakis Center, Philadelphia, PA
| 84 - 86 | 99 (18-15) Illinois St at 186 (13-18) Drexel | Away | W | 0.469 |
| Sun 11/18/2012 | Redbird Arena, Normal, IL
| 87 - 48 | 322 (13-18) Delaware St at 99 (18-15) Illinois St | Home | W | 0.981 |
| Tue 11/20/2012 | Redbird Arena, Normal, IL
| 91 - 58 | 320 (7-24) Fair Dickinson at 99 (18-15) Illinois St | Home | W | 0.976 |
| Fri 11/23/2012 | South Padre Island Convention Center, South Padre Island, TX
| 77 - 65 | 144 (13-17) UAB at 99 (18-15) Illinois St | Neutral | W | 0.754 |
| Sat 11/24/2012 | South Padre Island Convention Center, South Padre Island, TX
| 72 - 69 | 99 (18-15) Illinois St at 104 (13-19) Northwestern | Neutral | L | 0.431 |
| Sat 12/01/2012 | KFC Yum! Center, Louisville, KY
| 69 - 66 | 99 (18-15) Illinois St at 1 (35-5) Louisville | Away | L | 0.392 |
| Tue 12/04/2012 | Redbird Arena, Normal, IL
| 67 - 81 | 87 (18-14) Wyoming at 99 (18-15) Illinois St | Home | L | 0.679 |
| Sat 12/08/2012 | Redbird Arena, Normal, IL
| 85 - 63 | 184 (21-13) W Michigan at 99 (18-15) Illinois St | Home | W | 0.958 |
| Sun 12/16/2012 | Redbird Arena, Normal, IL
| 87 - 68 | 283 (17-15) Morgan St at 99 (18-15) Illinois St | Home | W | 0.973 |
| Wed 12/19/2012 | University of Dayton Arena, Dayton, OH
| 73 - 74 | 99 (18-15) Illinois St at 72 (17-14) Dayton | Away | W | 0.548 |
| Sat 12/22/2012 | Redbird Arena, Normal, IL
| 83 - 57 | 255 (6-22) Austin Peay at 99 (18-15) Illinois St | Home | W | 0.967 |
| Sun 12/30/2012 | Hulman Center, Terre Haute, IN
| 77 - 75 | 99 (18-15) Illinois St at 94 (17-15) Indiana St | Away | L | 0.158 |
| Wed 01/02/2013 | Redbird Arena, Normal, IL
| 72 - 79 | 43 (28-8) Creighton at 99 (18-15) Illinois St | Home | L | 0.218 |
| Sat 01/05/2013 | Redbird Arena, Normal, IL
| 60 - 70 | 74 (20-15) Northern Iowa at 99 (18-15) Illinois St | Home | L | 0.304 |
| Tue 01/08/2013 | JQH Arena, Springfield, MO
| 62 - 55 | 99 (18-15) Illinois St at 199 (9-22) Missouri St | Away | L | 0.336 |
| Sat 01/12/2013 | Redbird Arena, Normal, IL
| 77 - 82 | 126 (14-17) Drake at 99 (18-15) Illinois St | Home | L | 0.364 |
| Wed 01/16/2013 | Charles Koch Arena, Wichita, KS
| 74 - 62 | 99 (18-15) Illinois St at 28 (30-9) Wichita St | Away | L | 0.033 |
| Sun 01/20/2013 | SIU Arena, Carbondale, IL
| 56 - 70 | 99 (18-15) Illinois St at 206 (13-17) S Illinois | Away | W | 0.963 |
| Wed 01/23/2013 | Redbird Arena, Normal, IL
| 60 - 58 | 94 (17-15) Indiana St at 99 (18-15) Illinois St | Home | W | 0.703 |
| Sat 01/26/2013 | Redbird Arena, Normal, IL
| 67 - 62 | 92 (20-15) Evansville at 99 (18-15) Illinois St | Home | W | 0.715 |
| Tue 01/29/2013 | Carver Arena, Peoria, IL
| 83 - 77 | 99 (18-15) Illinois St at 274 (18-17) Bradley | Away | L | 0.971 |
| Sat 02/02/2013 | Redbird Arena, Normal, IL
| 83 - 47 | 206 (13-17) S Illinois at 99 (18-15) Illinois St | Home | W | 0.989 |
| Wed 02/06/2013 | Knapp Center, Des Moines, IA
| 86 - 94 | 99 (18-15) Illinois St at 126 (14-17) Drake | Away | W | 0.194 |
| Sat 02/09/2013 | CenturyLink Center Omaha, Omaha, NE
| 72 - 75 | 99 (18-15) Illinois St at 43 (28-8) Creighton | Away | W | 0.397 |
| Wed 02/13/2013 | Redbird Arena, Normal, IL
| 79 - 59 | 274 (18-17) Bradley at 99 (18-15) Illinois St | Home | W | 0.992 |
| Sun 02/17/2013 | Redbird Arena, Normal, IL
| 67 - 68 | 28 (30-9) Wichita St at 99 (18-15) Illinois St | Home | L | 0.691 |
| Wed 02/20/2013 | Ford Center, Evansville, IN
| 79 - 62 | 99 (18-15) Illinois St at 92 (20-15) Evansville | Away | L | 0.088 |
| Sat 02/23/2013 | Dee Glen Smith Spectrum, Logan, UT
| 80 - 71 | 99 (18-15) Illinois St at 111 (20-10) Utah St | Away | L | 0.216 |
| Wed 02/27/2013 | Redbird Arena, Normal, IL
| 86 - 50 | 199 (9-22) Missouri St at 99 (18-15) Illinois St | Home | W | 0.992 |
| Sat 03/02/2013 | McLeod Center, Cedar Falls, IA
| 80 - 72 | 99 (18-15) Illinois St at 74 (20-15) Northern Iowa | Away | L | 0.247 |
| Fri 03/08/2013 | Scottrade Center, St. Louis, MO
| 65 - 73 | 99 (18-15) Illinois St at 74 (20-15) Northern Iowa | Neutral | W | 0.755 |
| Sat 03/09/2013 | Scottrade Center, St. Louis, MO
| 66 - 51 | 99 (18-15) Illinois St at 28 (30-9) Wichita St | Neutral | L | 0.043 |