Chatham defeated Leamington 2-1 in OT.
Liam Hogan scored a short handed goal in the second period to get the game going for Leamington with Chatham tying it up in the third.
Ethan Sarfati scored the game winner in over time.
Connor Meyerink takes the loss in net for Leamington.
Leamington entered Thursday night's game just three points behind Chatham and London for second place in the Western Conference.