The Essex 73's topped the Petrolia Flyers 8-2 in Game 3 on Tuesday.
Michael Vieira led Essex with a hat-trick, while Josh Pope-Ferguson, Quinn Fazekas, William Stadder, Matthew MacLeod and Adam Gaiarin all scored once.
Essex now leads the best of seven playoff series 3-0.
The 73's will look to sweep the Flyers in Game 4 on Thursday. The puck drops at 7:30 p.m. in Petrolia.