MONROE - Senior pitcher Natalie Dillon threw a perfect game, one of only three in school history, as the Cheesemakers took down Whitewater 11-0 in a WIAA Division 2 regional quarterfinal game on Tuesday. It was a quick game for the home team at Twining Park as Monroe (19-8) defeated the Whitewater Whippets in five innings. Dillon had 10 strikeouts against the Whippets.