Jason LaBarbera stopped 31 of 35 shots and the final five Rampage players in the shootout to give Manchester a 5-4 win at San Antonio.
Four different players registered goals in regulation, including Marty Murray, who also scored twice in the shootout, which included the decisive goal, to give the Monarchs the victory.
Matt Ryan, who recorded a plus-2, also tallied for Manchester, who completed its four-game road trip with a perfect record.
Donald MacLean provided the scoring punch for the Rampage in the loss, recording his first hat trick of the season.
Four different players registered goals in regulation, including Marty Murray, who also scored twice in the shootout, which included the decisive goal, to give the Monarchs the victory.
Matt Ryan, who recorded a plus-2, also tallied for Manchester, who completed its four-game road trip with a perfect record.
Donald MacLean provided the scoring punch for the Rampage in the loss, recording his first hat trick of the season.