Reeths-Puffer battled Jenison for most of the game Monday before the visiting Wildcats scored four straight goals to pull away for a 10-4 win.
Ian Wright scored two goals for the Rockets, and Cohen Beck and Braeden Montee had one apiece. Gavin Wright made 11 saves in net.
The Rockets ended their regular season with a 3-13 record and host Coopersville Wednesday in a regional play-in game.