The loss dropped La Crosse to a first-place tie with U-W River Falls at 9-and-4. Eau Claire and Oshkosh are both one game back at 8-and-5.
River Falls stayed in the running with an 81-79 victory at Stout, while Oshkosh missed a chance to move into a three-way tie for the lead, falling at Whitewater 70-61.
The final game of the regular season is this weekend.
In the W-I-A-C women’s race, River Falls and 14th-ranked Oshkosh remain tied at 11-and-2 and they’ll face each other for the season title on Saturday at River Falls.
Wisconsin College Basketball Scoreboard
N-C-A-A D-1 Women
Illinois 76, Wisconsin 56
N-C-A-A D-3 Men
Eau Claire 64, La Crosse 57
River Falls 81, Stout 79
Whitewater 70, Oshkosh 61
Stevens Point 72, Platteville 64
Carroll 70, Lawrence 51
Beloit 85, Ripon 77
Wisconsin Lutheran 77, Lakeland 74
Concordia-Wisconsin 74, Madison Edgewood 70
Marian 67, Milwaukee Engineering 62
N-C-A-A D-3 Women
River Falls 82, Stout 66
Oshkosh 60, Whitewater 57
Stevens Point 67, Platteville 54
Eau Claire 54, La Crosse 44
Ripon 64, Beloit 42
Carroll 61, Lawrence 41