Barnesville shot 54% (31-57) of their overall shots from the field and connected on 69% (9-13) of their three-point attempts.
Adam Tonsfeldt led four players in double figures, scoring 22 points. He also had 8 assists, 4 steals and 5 rebounds. Jack Nielsen scored 18 points, Kaden Zenzen added 14 and Hunter Zenzen contributed a dozen. Matt Samuelson had 5 rebounds and 6 points for the Trojans.
Barnesville returns home to host Perham in another HOL game on Tuesday night.
Frazee (5-4) will host Pelican Rapids on Thursday night.