The Kangaroos (8-23, 5-11 Summit), who snapped a four-game losing streak, will face No. 3 seed North Dakota State in the first round on March 10 in Sioux Falls, S.D.
IUPUI (6-25, 1-15 Summit), as the No. 8 seed, will face top-seeded South Dakota State on March 9.
UMKC entered the day a game behind South Dakota in the Summit League standings but moved up in seeding after the Coyotes lost to Western Illinois. UMKC holds the tiebreaker after sweeping South Dakota this season.
Nelson Kirksey added 11 points for the Kangaroos in Saturday’s win.
Mitchell Patton scored 19 points and Sean Esposito had 10 for IUPUI, which has lost 15 straight.