Matt Ross added 15 points and 10 rebounds and Quinton Pippen had 14 points for Chicago State (13-18, 8-8 Western Athletic Conference), which earned the third seed in the league tournament in Las Vegas next week.
Jarell Flora had 22 points for Seattle (13-16, 5-11). He had 16 in the second half but he was the only effective player for the Red Hawks. Seattle shot 31.3 percent, going 9 of 22 from 3-point range (41 percent) but just 6-26 from inside the arc. The Redhawks also struggled from the foul line (14-23) and had 24 turnovers.
Chicago State, which had never been as high as a three-seed in any conference it was in since joining the Mid-Continent Conference in 1994, made 12 of 16 free throws in the second half.