Sam Brown notched his second half-century in as many weeks to lead Chalambar to another victory on Saturday.
Winning the toss and electing to bat first, Chalambar was struggling at 2-13 before Brown came to the crease.
He combined with Reece Kettle to steer Chalambar past 100 and towards 150.
Brown finished on 61 not out as Chalambar notched a total of 161 by the end of its 40 overs.
The Gappers managed to take just five wickets, with Josh Reid claiming three of them.
Halls Gap struggled in the reply, managing just 88 runs and lasting 32.1 overs before being bowled out.
Wicket keeper Joseph Martin was the standout for the Gappers, working his way to 31 and not losing his wicket.
Ashley Leggett took three wickets for Chalambar while Matthew McKinnis and Will Copper took two wickets each in the 73-run victory.
