Combine cherries, rosemary, sugar, salt, and pepper in a small saucepan over medium-high heat; cook 6 minutes or until cherries release their juices and juices are slightly thickened. Cool completely.
Preheat grill to low.
Coat grill rack and one side of cheese with cooking spray. Place cheese, coated side down, on grill rack; cook, covered, 5 minutes or until the rind is soft. Invert cheese onto a plate. Spoon cherry mixture over top. Serve with crackers.