River Valley 66, Ithaca 61
Derek Wedige scored 14 points and Kurt Schaller had 10 to lead the Blackhawks (3-6) over the visiting Bulldogs (8-2).
After being tied at 29 at half, River Valley outscored Ithaca 37-32 in the second half of play.
The Blackhawks did their damage from the free throw line making 16 compared to seven for the Bulldogs.
Aaron Huebsch had 19 points and Isaiah Mueller chipped in 17 for Ithaca.