Kyle Haegele scored 21 points as Roxbury defeated Sparta, 56-52, in overtime, in the semifinals of the Route 206 Challenge in Newton.
Brian Nichols added eight points for Roxbury (3-0), which will play Franklin in the final on Monday at 3 p.m.
Sparta (2-1) will play Newton in the third place game at 1 p.m. on Monday.