IPFW took a 52-36 lead into halftime against IU Kokomo at Gates Center.
The Mastodons jumped out to a 14-5 lead in the opening four minutes with all of their points coming in the paint.
But the Cougars cut their deficit to 14-13 with 14:05 to play in the half and stayed close at 22-20 with 9:03 to play thanks to hitting 5 of 8 3-pointers in the opening half.
IPFW separated itself from IU Kokomo with a 14-4 run to take a 36-24 lead with 4:52 to play in the half
Joe Reed and Michael Kibiloski each scored 13 for the IPFW in the first half, and Joe Edwards and Steve Forbes each had 10 points.
Spencer Krhin scored 12 of IU Kokomo, hitting 3 of 4 3-pointers.
IPFW has dominated in the paint, outscoring IU Kokomo 34-4 in the paint, and the Mastodons got 16 points off eight Cougars turnovers.