Sep. 16—THIEF RIVER FALLS — Sixteen games into the season, the Bemidji High School girls tennis team has yet to taste defeat. The Lumberjacks took to the road and defeated Thief River Falls 5-2 Monday afternoon, improving to 16-0. Led by Lilly Caron and Megan Berg at No. 1, BHS swept all three doubles matches against the Prowlers. Sam Wood and Ruby McKeon notched the win in No. 2 doubles, …