'I've never seen the VAR called to review a penalty in a shootout... Never!' the Argentine told a press conference.
The draw means second-placed Atletico Madrid could close the 12-point gap with Barcelona, who are on 74 points, if they beat Celta Vigo later on Saturday.
Barca, chasing a third consecutive Spanish title, are on 76 points after 35 games while Real Madrid are top with 77 and can restore their four-point advantage when they host Alaves on Friday.
Barcelona striker Robert Lewandowski scored twice to set his side on course for a 5-0 Champions League thrashing of Swiss side Young Boys on Tuesday as the Catalan giants bounced back from a 2-1 loss at AS Monaco in their opener.
Villarreal fought back to shock Barcelona 3-2 on Sunday, handing the LaLiga champions their first league defeat since late December.
Guardiola optimistic of De Bruyne's quick return
The battle between Real Madrid and Barcelona is more than just football--it's a collision of legacies, philosophies, and the relentless pursuit of greatness.
Girona reclaimed top spot in LaLiga after beating champions Barcelona 4-2
'We've been talking during this week and now it's the right moment to announce it.'
Zinedine Zidane's side joined Atletico Madrid on 66 points and moved top of the table
Real Madrid manager Carlo Ancelotti dismissed suggestions on Tuesday that he is under mounting pressure at the club as they sit second in the LaLiga standings and were knocked out of the Champions League last week.
Barcelona won their 27th LaLiga title and first for four years after a 4-2 win at city rivals Espanyol on Sunday.
'Leo wants to return to Barca and I would also like him to return'
La Liga has been on hold since March 10 although president Javier Tebas said last week that the league could start up again on either May 29, June 7 or June 28, adding that the games were likely to be held without spectators. But Barcelona coach Quique Setien does not think it is so simple.
A summary of Wednesday's Champions League first leg quarter-finals between Barcelona and Dortmund and Real Madrid, and Paris St Germain and Aston Villa.
A mesmeric Lionel Messi helped Barcelona to come from behind and beat Sevilla 2-1 in a thrilling encounter on Sunday as the champions kept the pressure on La Liga leaders Real Madrid, who saw off Leganes 3-0 thanks to a double from Gareth Bale.
Real outclass Majorca, to meet Barca in Super Cup final
Real Madrid, Barcelona and Atletico Madrid, find themselves in the bizarre situation of having made poor starts to the campaign
Treble-chasing Barcelona are exactly where they want to be as they prepare for two matches this week that could make or break coach Luis Enrique's first season in charge.
Real Sociedad are fourth in the table on 28 points, three points behind third-placed Sevilla.
It was Messi's 56th converted penalty in La Liga and saw him draw level with Hugo Sanchez as the league's second-top penalty taker, behind record holder Cristiano Ronaldo on 61.
Lionel Messi was lauded by opposition supporters on Sunday after he scored an outstanding hat-trick in Barcelona's 4-1 win at Real Betis, which put the Catalans 10 points clear at the top of La Liga with 10 games remaining.
Images from La Liga matches played on Monday.
Barcelona, reduced to 10-man in the last half-an-hour, clinched a narrow win over Valencia in their La Liga match on Sunday.
Neymar began his career with Santos in 2009 aged 17, racking up 136 goals and 64 assists in 225 matches to help the club secure their first Copa Libertadores title in nearly 50 years in 2011.
Barcelona captain Raphinha scored twice as they returned to winning ways in LaLiga for the first time in a month with a 5-1 victory at Mallorca on Tuesday.
Messi and Iniesta shared the Barca dressing between 2005 and 2018, together winning nine La Liga titles, four Champions League crowns and won two trebles in 2009 and 2015.
Barca lead the standings on 39 points from 18 games, three clear of second-placed Real Madrid who host Athletic Bilbao on Sunday.
The win increased Zinedine Zidane's side's advantage at the top of the standings to six points
'I expect a brave Napoli that plays from the back and presses high, that doesn't speculate, has a lot of individual talent, it's a big game and it's a great team, current champions of Italy.'
Barcelona have emerged as favourites to be crowned champions after one defeat in their last 22 Liga games.
The Barca coach said the squad is in a good place both mentally and physically and very motivated to take the field.
Real Madrid made sure Barcelona will have to wait at least until Sunday to wrap up a 22nd La Liga title when Cristiano Ronaldo scored his 200th goal for the club in a 6-2 win at home to nine-man Malaga on Wednesday.
Barcelona restored their lead at the top of La Liga standings to nine points after Lionel Messi and Luis Suarez each scored in a routine if underwhelming 3-0 win at home to struggling Levante on Sunday, with Paulinho increasing their lead in added time.
When Barcelona host local rivals Espanyol on Saturday hoping to edge closer to the La Liga title, many may be haunted by Raul Tamudo's 89th minute equaliser which wrecked their title bid in 2006/07.
A Neymar double, a spectacular volley from Luis Suarez and a goal for Lionel Messi saw top of the table Barcelona's unstoppable strike force sweep aside Real Sociedad 4-0 in La Liga on Saturday.
Barcelona still have very little chance of catching leaders Real Madrid and securing a fourth successive La Liga title despite closing the gap to eight points, coach Pep Guardiola said on Monday.
Lionel Messi scored twice and Luis Suarez struck his first La Liga goal as Barcelona crushed struggling Cordoba 5-0 on Saturday.
Barcelona provisionally went top of La Liga for the first time since October after Luis Suarez, Neymar and Lionel Messi scored in a 6-0 thrashing of Alaves on Saturday although the win was overshadowed by a serious injury to Aleix Vidal.
Barcelona twice came from behind to rescue a point in a 2-2 draw at Valencia while Real Madrid dropped points again in a goalless affair at Racing Santander in La Liga on Wednesday.