Dustin Hogue set career highs with 22 points and 16 rebounds, and 17th-ranked Iowa State pounded Auburn 99-70 on Monday night for its sixth straight win.
Melvin Ejim added 14 points and 10 rebounds for the Cyclones (6-0), who are the Big 12's last unbeaten team.
Iowa State used a 27-5 run midway through the first half to build a 15-point lead. Hogue had 16 points and 12 boards at the break.
Iowa State jumped ahead by as much as 60-33 early in the second half in cruising to its fourth win by at least 29 points.
Chris Denson had 27 points for Auburn (4-2), which shot 35.5 percent and got beat on the boards 47-36.