Mike Rivard had the shootout winner as Chatham beat the Sarnia Legionnaires, 6-5 on Saturday night.
Chatham rebounded from a 5-2 deficit in the third period to force overtime and the shootout in the Western Ontario Junior "B" action at the Sarnia Arena.
Nathan Mater scored twice for Sarnia in a losing cause, with singles going to Tanner Tomlinson, Tyler Cicchini and Owen Rogers. Rogers also had two assists.
The two teams play a return match in Chatham on Sunday night.
Elsewhere, Leamington beat Lambton Shores, 9-2 to send the Predators to their ninth consecutive loss.
Also on Saturday, in Great Lakes Junior "C" action, Mooretown edged Dresden, 3-2.