Stadium: Moby Arena Round: 1
Home Manager: Niko Medved Away Manager: Barry Hinson
| NCAAB | 2018/11/24 05:30 | Southern Illinois v Tulsa | W | 79-69 |
| NCAAB | 2018/11/22 18:30 | Southern Illinois v Massachusetts | L | 62-84 |
| NCAAB | 2018/11/20 01:00 | Howard v Southern Illinois | W | 69-83 |
| NCAAB | 2018/11/18 01:00 | Arkansas-Pine Bluff v Southern Illinois | W | 48-78 |
| NCAAB | 2018/11/13 01:00 | Buffalo v Southern Illinois | L | 62-53 |
| NCAAB | 2018/11/10 00:00 | Southern Illinois v Kentucky | L | 59-71 |
| NCAAB | 2018/03/04 00:10 | Illinois St v Southern Illinois | L | 76-68 |
| NCAAB | 2018/03/03 00:00 | Missouri State v Southern Illinois | W | 63-67 |
| NCAAB | 2018/11/21 18:30 | South Dakota State v Colorado State | L | 78-65 |
| NCAAB | 2018/11/20 18:30 | Colorado State v Florida Gulf Coast | W | 82-74 |
| NCAAB | 2018/11/19 22:00 | UL Lafayette v Colorado State | L | 91-73 |
| NCAAB | 2018/11/15 02:00 | Montana State v Colorado State | W | 77-81 |
| NCAAB | 2018/11/10 21:00 | Arkansas-Pine Bluff v Colorado State | W | 67-92 |
| NCAAB | 2018/11/08 02:00 | Colorado State v Colorado Christian | W | 100-66 |
| NCAAB | 2018/03/07 21:30 | Colorado State v Utah State | L | 65-76 |
| NCAAB | 2018/03/01 02:00 | New Mexico v Colorado State | L | 108-87 |