The Chatham Maroons are now tied for second place in the Western Conference after beating the Sarnia Legionnaires 5-4 in 2OT.
Steven Beenackers scored the game winner for the Maroons 2:05 into the second extra frame.
Bryce Yetman led Chatham with two goals as they pick up their third straight victory.
The win also moves the Maroons into the tie with London for second place in the standings.
Chatham will face the Nationals on Wednesday night in London with sole possession of second place on the line.