Jiri Klima signed the decisive goal and the cataracts beat the 5-1 Oceanic on Sunday, forcing the outfit of a seventh game in the semi-final between Shawinigan and Rimouski.
Klima notably brought the scoring to 2-1 at the start of the second period.
Vince Elie, Louis-Philippe Fontaine and Jordan Forget succeeded in the other goals of the cataracts.
Fontaine, Félix Lacerte and Cole Chandler were accomplices of two nets, while Mathys Fernandez made 21 stops.
Jacob Mathieu retaliated for the oceanic, while William Lacelle stopped 25 shots.
The ultimate match will be presented Tuesday evening, in Rimouski.
-Elie gave an advance of 1-0 to the cataracts at 7:36 in the first twenty, on the rebound of a lacerte shot.
Captain of his family, Mathieu leveled the scoring at 5:01 a.m. to the second third. Following a blocked shot, Eriks Mateiko passed through the enclave in Mathieu, who hit the back of the reverse.
Mathieu dominates the current series with 12 goals.
Shawinigan resumed orders 1:19 later, with a shot on reception of Klima.
Home of the Oceanic, the financial Colosseum Sun Life will host the Memorial Cup from May 22.
The other semi-final was swept by the Moncton Wildcats, at the expense of the Huskies of Rouyn-Noranda.