Cristiano Ronaldo was at his indomitable best as he struck twice in Real Madrid's 3-1 victory at Barcelona to secure the club's Copa del Rey final berth.

Manchester United manager Sir Alex Ferguson was in attendance to see his former protégé end the Blaugrana's defence of Spain's domestic cup, taking his tally for the season against the Camp Nou team to six goals. José Mourinho, beginning one of his testing weeks in football, looked bemused by the fuss as his team outclassed their adversaries.

sir alex ferguson

Ferguson will face Madrid again in six days' time

With the tie level at 1-1 after the first leg four weeks ago, Barça ostensibly boasted a slight advantage and Lionel Messi was inches away from giving them an outright lead 90 seconds into the game. However his right-footed shot went wide of Diego López's post.

Then Madrid exhibited just why they are perhaps the continent's best counter-attacking side when Ronaldo suddenly found himself one-on-one against Gerard Piqué. The flustered Spain international was bamboozled by his former Manchester United teammate before sliding recklessly to trip Ronaldo and concede an obvious penalty. Piqué and Carles Puyol nevertheless had the gall to suggest Ronaldo had dived.

cristiano ronaldo

Ronaldo lets the Culés know what the score is

Ronaldo sent Pinto the wrong way to give Real the lead to score for the sixth game running at the Camp Nou. Barça were subdued for the remainder of the half, although Messi went close to scoring an ingenious free-kick when his low-struck set-piece evaded the soles of those in the Madrid wall, but flashed wide.

After Piqué's humiliation, it was Puyol's turn in the 57th minute. Sami Khedira's long clearance inadvertently found Angel di María, who left the Spaniard with twisted blood to fire straight at Pinto, only for Ronaldo to coolly convert the rebound for his 11th Clásico goal.

The excellent Raphaël Varane then ended the tie when he headed in from Mesut Özil's corner, via the underside of the crossbar 11 minutes later. Jordi Alba flattered the hosts with a late strike but this was further evidence that the chasm between the teams in La Liga (16 points separate them) is not a fair reflection. Having lost his first game as Real coach 5-0 at Barcelona, Mourinho's Madrid had Barça petrified in their own backyard again.

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  • Real Madrid's Cristiano Ronaldo, left, from Portugal, Alvaro Arbeloa, center, and Sergio Ramos celebrate after scoring against FC Barcelona during a Copa del Rey soccer match at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. Ronaldo scored twice to lead Real Madrid to a 3-1 win and a spot in the Copa del Rey final. (AP Photo/Manu Fernandez)

  • CORRECTS DATE - Barcelona's Daniel Alves from Brazil, left, and Real's Raphael Varane from France challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • CORRECTS DATE - Barcelona's Sergio Busquets, right, and Real Madrid's Angel Di Maria from Argentina vie for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • CORRECTS DATE - Barcelona's Sergio Busquets, right, and Real's Mesut Ozil from Germany vie for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real Madrid's Cristiano Ronaldo, left, from Portugal, and Barcelona's goalkeeper Jose Manuel Pinto challenge for the ball during a Copa del Rey soccer match at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. Ronaldo scored twice to lead Real Madrid to a 3-1 win and a spot in the Copa del Rey final. (AP Photo/Manu Fernandez)

  • Barcelona's Lionel Messi from Argentina, left, and Real's Mesut Ozil from Germany challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Lionel Messi from Argentina reacts after losing the Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Sergio Busquets, left, and Real's Pepe from Portugal vie for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Cristiano Ronaldo from Portugal smiles during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Lionel Messi from Argentina and Real's Sergio Ramos , rear, challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Cristiano Ronaldo from Portugal smiles during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Cristiano Ronaldo from Portugal, left, and Barcelona's Carles Puyol challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Daniel Alves from Brazil, rear, and Real's Cristiano Ronaldo from Portugal challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Raphael Varane from France, center, heads the ball to score during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Raphael Varane from France, center, celebrates after scoring during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Raphael Varane from France, right, celebrates after scoring during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Mesut Ozil from Germany, left, and Barcelona's Gerard Pique vie for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Lionel Messi from Argentina reacts during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Fabio Coentrao of Portugal, left, and Barcelona's Pedro Rodriguez challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Gerard Pique, rear, and Pedro Rodriguez, left, challenge for the ball with Real's Gonzalo Higuain from Argentina during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Barcelona's Lionel Messi from Argentina, left, and Real's Mesut Ozil from Germany challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Cristiano Ronaldo from Portugal celebrates after scoring during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Cristiano Ronaldo from Portugal celebrates after scoring during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Raphael Varane, rear, and Barcelona's Carles Puyol jump for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Madrid's Cristiano Ronaldo from Portugal, right, scores during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

  • Real's Xabi Alonso, left, and Barcelona's Pedro Rodriguez challenge for the ball during a Copa del Rey soccer match between FC Barcelona and Real Madrid at the Camp Nou stadium in Barcelona, Spain, Tuesday, Feb. 26, 2013. (AP Photo/Manu Fernandez)

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    Real Madrid's Portuguese forward Cristiano Ronaldo (L) is congratulated by his teammate Real Madrid's defender Alvaro Arbeloa (R) after scoring during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Gerard Pique (L) of Barcelona duels for the ball with Gonzalo Higuain of Real Madrid during the Copa del Rey semi final second leg match between FC Barcelona and Real Madrid CF at the Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by Jasper Juinen/Getty Images)

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    Barcelona's captain Carles Puyol (R) vies with Real Madrid's French defender Raphael Varane (L) during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Real Madrid's Portuguese defender Pepe celebrates after the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. Real Madrid won 3-1. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Cristiano Ronaldo of Real Madrid CF smiles during the Copa del Rey Semi Final second leg between FC Barcelona and Real Madrid at Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by David Ramos/Getty Images)

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    Barcelona's Argentinian forward Lionel Messi (L) kicks the ball during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Real Madrid's Portuguese defender Fabio Coentrao (L) vies with Barcelona's Brazilian defender Daniel Alves (R) during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    Barcelona's captain Carles Puyol (L) argues with the referee Alberto Undiano Mallenco during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Real Madrid's Portuguese forward Cristiano Ronaldo controls a ball during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Barcelona's defender Gerard Pique (R) vies with Real Madrid's Portuguese forward Cristiano Ronaldo (L) during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Cristiano Ronaldo of Real Madrid celebrates scoring his sides opening goal during the Copa del Rey semi final second leg match between FC Barcelona and Real Madrid CF at the Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by Jasper Juinen/Getty Images)

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    Barcelona's Argentinian forward Lionel Messi reacts during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Cristiano Ronaldo (L) of Real Madrid celebrates scoring his sides opening goal with his teammate Sergio Ramos during the Copa del Rey semi final second leg match between FC Barcelona and Real Madrid CF at the Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by Jasper Juinen/Getty Images)

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    Barcelona's midfielder Cesc Fabregas reacts during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Cristiano Ronaldo of Real Madrid celebrates scoring his sides opening goal during the Copa del Rey semi final second leg match between FC Barcelona and Real Madrid CF at the Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by Jasper Juinen/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Cristiano Ronaldo of Real Madrid CF scores the opening goal from the penatlty spot past Jose Manuel Pinto of Barcelona during the Copa del Rey Semi Final second leg between FC Barcelona and Real Madrid at Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by David Ramos/Getty Images)

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    Real Madrid's defender Alvaro Arbeloa (L) and Real Madrid's Argentinian midfielder Angel di Maria vie with Barcelona's midfielder Cesc Fabregas (C) during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    Barcelona's midfielder Cesc Fabregas controls a ball during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Real Madrid's Portuguese forward Cristiano Ronaldo celebrates after scoring during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    Real Madrid's Portuguese coach Jose Mourinho (C) is pictured before the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Barcelona's defender Gerard Pique (down) vies with Real Madrid's Portuguese forward Cristiano Ronaldo (up) during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    Real Madrid's midfielder Xabi Alonso (L) vies with Barcelona's forward Pedro Rodriguez during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    Real Madrid's German midfielder Mesut Ozil (2L) vies with Barcelona's defender Gerard Pique (L), Barcelona's Brazilian defender Dani Alves (3L) and Barcelona's midfielder Xavi Hernandez (4L) during the Spanish Cup semi-final second leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

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    Real Madrid's Portuguese forward Cristiano Ronaldo celebrates after scoring during the Spanish Cup semi-final second-leg football match FC Barcelona vs Real Madrid CF at the Camp Nou stadium in Barcelona on February 26, 2013. AFP PHOTO / JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

  • FC Barcelona v Real Madrid CF - Copa Del Rey - Semi Final Second Leg

    BARCELONA, SPAIN - FEBRUARY 26: Pedro Rodriguez of FC Barcelona is brought down by Xabi Alonso of Real Madrid CF during the Copa del Rey Semi Final second leg between FC Barcelona and Real Madrid at Camp Nou on February 26, 2013 in Barcelona, Spain. (Photo by David Ramos/Getty Images)