| Game Date | Arena | Score | Opponent | Location | Outcome | Game Chart |
| Fri 11/09/2012 | Assembly Hall, Champaign, IL
| 75 - 55 | 261 (11-21) Colgate at 42 (22-13) Illinois | Home | W | 0.994 |
| Mon 11/12/2012 | Assembly Hall, Champaign, IL
| 89 - 64 | 225 (12-18) St. Francis (NY) at 42 (22-13) Illinois | Home | W | 0.996 |
| Sat 11/17/2012 | Stan Sheriff Center, Honolulu, HI
| 77 - 78 | 42 (22-13) Illinois at 213 (16-15) Hawaii | Away | W | 0.473 |
| Mon 11/19/2012 | Lahaina Civic Center, Maui, HI
| 94 - 64 | 106 (14-18) USC at 42 (22-13) Illinois | Neutral | W | 0.991 |
| Wed 11/21/2012 | Lahaina Civic Center, Maui, HI
| 78 - 61 | 24 (26-9) Butler at 42 (22-13) Illinois | Neutral | W | 0.902 |
| Sun 11/25/2012 | Assembly Hall, Champaign, IL
| 63 - 62 | 220 (18-13) Gardner-Webb at 42 (22-13) Illinois | Home | W | 0.903 |
| Wed 11/28/2012 | Assembly Hall, Champaign, IL
| 75 - 62 | 113 (16-15) Georgia Tech at 42 (22-13) Illinois | Home | W | 0.779 |
| Tue 12/04/2012 | Assembly Hall, Champaign, IL
| 72 - 64 | 224 (12-19) W Carolina at 42 (22-13) Illinois | Home | W | 0.888 |
| Sat 12/08/2012 | McCarthey Athletic Center, Spokane, WA
| 74 - 85 | 42 (22-13) Illinois at 9 (31-3) Gonzaga | Away | W | 0.603 |
| Tue 12/11/2012 | Assembly Hall, Champaign, IL
| 64 - 54 | 230 (21-12) Norfolk St at 42 (22-13) Illinois | Home | W | 0.955 |
| Sun 12/16/2012 | Assembly Hall, Champaign, IL
| 66 - 53 | 127 (23-10) E Kentucky at 42 (22-13) Illinois | Home | W | 0.944 |
| Sat 12/22/2012 | Scottrade Center, St. Louis, MO
| 73 - 82 | 25 (23-11) Missouri at 42 (22-13) Illinois | Neutral | L | 0.468 |
| Sat 12/29/2012 | United Center, Chicago, IL
| 81 - 79 | 174 (9-23) Auburn at 42 (22-13) Illinois | Neutral | W | 0.967 |
| Wed 01/02/2013 | Mackey Arena, West Lafayette, IN
| 68 - 61 | 42 (22-13) Illinois at 78 (16-18) Purdue | Away | L | 0.512 |
| Sat 01/05/2013 | Assembly Hall, Champaign, IL
| 74 - 55 | 8 (29-8) Ohio St at 42 (22-13) Illinois | Home | W | 0.951 |
| Wed 01/09/2013 | Assembly Hall, Champaign, IL
| 67 - 84 | 22 (21-13) Minnesota at 42 (22-13) Illinois | Home | L | 0.281 |
| Sat 01/12/2013 | Kohl Center, Madison, WI
| 74 - 51 | 42 (22-13) Illinois at 27 (23-12) Wisconsin | Away | L | 0.017 |
| Thu 01/17/2013 | Assembly Hall, Champaign, IL
| 54 - 68 | 104 (13-19) Northwestern at 42 (22-13) Illinois | Home | L | 0.204 |
| Tue 01/22/2013 | Bob Devaney Sports Center, Lincoln, NE
| 51 - 71 | 42 (22-13) Illinois at 79 (15-18) Nebraska | Away | W | 0.903 |
| Sun 01/27/2013 | Assembly Hall, Champaign, IL
| 60 - 74 | 18 (30-8) Michigan at 42 (22-13) Illinois | Home | L | 0.214 |
| Thu 01/31/2013 | Jack Breslin Student Events Center, East Lansing, MI
| 80 - 75 | 42 (22-13) Illinois at 14 (26-9) Michigan St | Away | L | 0.335 |
| Sun 02/03/2013 | Assembly Hall, Champaign, IL
| 68 - 74 | 27 (23-12) Wisconsin at 42 (22-13) Illinois | Home | L | 0.234 |
| Thu 02/07/2013 | Assembly Hall, Champaign, IL
| 74 - 72 | 5 (29-7) Indiana at 42 (22-13) Illinois | Home | W | 0.251 |
| Sun 02/10/2013 | Williams Arena, Minneapolis, MN
| 53 - 57 | 42 (22-13) Illinois at 22 (21-13) Minnesota | Away | W | 0.431 |
| Wed 02/13/2013 | Assembly Hall, Champaign, IL
| 79 - 59 | 78 (16-18) Purdue at 42 (22-13) Illinois | Home | W | 0.976 |
| Sun 02/17/2013 | Welsh-Ryan Arena, Evanston, IL
| 41 - 62 | 42 (22-13) Illinois at 104 (13-19) Northwestern | Away | W | 0.930 |
| Thu 02/21/2013 | Assembly Hall, Champaign, IL
| 64 - 59 | 135 (10-21) Penn St at 42 (22-13) Illinois | Home | W | 0.898 |
| Sun 02/24/2013 | Crisler Center, Ann Arbor, MI
| 71 - 58 | 42 (22-13) Illinois at 18 (30-8) Michigan | Away | L | 0.226 |
| Sat 03/02/2013 | Assembly Hall, Champaign, IL
| 72 - 65 | 79 (15-18) Nebraska at 42 (22-13) Illinois | Home | W | 0.797 |
| Tue 03/05/2013 | Carver-Hawkeye Arena, Iowa City, IA
| 63 - 55 | 42 (22-13) Illinois at 48 (25-13) Iowa | Away | L | 0.181 |
| Sun 03/10/2013 | Value City Arena, Columbus, OH
| 68 - 55 | 42 (22-13) Illinois at 8 (29-8) Ohio St | Away | L | 0.139 |
| Thu 03/14/2013 | United Center, Chicago, IL
| 51 - 49 | 22 (21-13) Minnesota at 42 (22-13) Illinois | Home | W | 0.575 |
| Fri 03/15/2013 | United Center, Chicago, IL
| 80 - 64 | 42 (22-13) Illinois at 5 (29-7) Indiana | Away | L | 0.065 |
| Fri 03/22/2013 | Frank Erwin Special Events Center, Austin, TX
| 57 - 49 | 29 (21-12) Colorado at 42 (22-13) Illinois | Home | W | 0.722 |
| Sun 03/24/2013 | Frank Erwin Special Events Center, Austin, TX
| 63 - 59 | 42 (22-13) Illinois at 7 (29-7) Miami (FL) | Away | L | 0.305 |