Real hold a 3-0 advantage going into the second-leg at the Bernabeu on Wednesday evening after an iconic Champions League night at the Juventus Stadium last week.
It remains the only chance for Zidane to secure silverware with Los Blancos this season and remarkably it's an opportunity for the French tactician to lift the European title for the third time in his third season as a professional first-team coach.
"The result of the first game means nothing for us. Tomorrow's game will be a different story. The opening clash was good for us but it was only the 50% of the qualification," he told reporters, as quoted by Calciomercato.
"Face Barcelona in the semi-finals? I don't care about this, I am only focused on tomorrow's game, I don't care about the rest."