Centennial Cup playdowns
Semifinal
Ottawa Jr. Senators vs. Thunder Bay Trophy Kings
Game 1: Kings 10 Senators 8
Game 2: Senators 9 Kings 5
Game 3: Kings 7 Senators 6 (Game awarded to Ottawa following protest)
Game 4: Kings 4 Senators 3
Game 5: Kings 5 Senators 2
Game 6: Senators 6 Kings 1
Game 7: Kings 4 Senators 2
Thunder Bay wins best-of-seven series 4-3
Dudley-Hewitt Cup eastern final
North York Rangers vs. Thunder Bay Trophy Kings
Game 1: Rangers 7 Kings 1
Game 2: Rangers 8 Kings 4
Game 3: Rangers 6 Kings 4
Game 4: Rangers 7 Kings 4
North York wins best-of-seven series 4-0
NOTE: The Rangers went on to sweep the Abbotsford Flyers in four straight to win the 1983 Centennial Cup.