Mario Mandzukic scored the fastest goal Real Madrid have ever conceded at home in the Champions League to give Juventus hope of a stunning quarter-final comeback.
Trailing 3-0 from the first leg in Turin, the striker thumped home a header from Sami Khedira's cross after just 76 seconds to put the Serie A champions back in the tie.
Mandzukic struck again before the interval, capitalising on more slack marking from another right-wing centre, this time from Stephan Lichtsteiner, to beat Keylor Navas.
The Croatia international – who scored a stunning goal in Juve's final defeat to Madrid in Cardiff last season – is the first player to score two first-half goals away at the Bernabeu in a Champions League match.
Mandzukic's brace meant holders Madrid trailied by two goals at half-time in a Champions League game for the first time since February 2000.
The LaLiga giants went on to lose that match 3-1 against Bundesliga side Bayern Munich, with Zinedine Zidane responding to his team's poor start by replacing Casemiro and Gareth Bale with Lucas Vazquez and Marco Asensio at the interval.
2 - Mario Mandzukic is the first player to score two first-half goals away at the Bernabeu in a Champions League match. Fighting. #RMAJUVE— OptaJoe (@OptaJoe) April 11, 2018
Madrid's Clasico rivals Barcelona surrendered a 4-1 first-leg advantage to drop out of the competition against Roma on Tuesday.