Colt Ryan scored 29 points, and Evansville knocked off Missouri Valley Conference leader Wichita State 59-56 on Wednesday night.
The loss, combined with Creighton's win at Bradley, dropped Wichita State into a tie with Creighton atop the conference. The teams play at Creighton on Saturday in the regular-season finale, with the winner taking the No. 1 conference tournament seed.
Ryan was 10 of 18 from the floor, including three 3-pointers, for the Purple Aces (17-13, 9-8), who didn't have anyone else in double figures.
Tekele Cotton had 12 points and Cleanthony Early 10 for the Shockers (24-6, 12-5), who saw their five-game winning streak snapped. The loss spoiled the final home game for seniors Malcolm Armstead, Carl Hall, Ehimen Orukpe and Demetric Williams.