An early goal for Barcelona and it would be very difficult to see Real Madrid turning the tie around.

The hosts keep up their early pressure as Robert Lewandowski gets into the box but his shot is blocked.

There's concern for Real Madrid here as Eduardo Camavinga is down injured.

Richard Winton
BBC Sport at Camp Nou

Barca are looking to get this tie away up the stairs and to its bed before the night is much older. A ferocious start.

Big clearance off the line by Eduardo Camavinga from Gavi's dangerous ball into the box.

Moments later, Barcelona appeal for a penalty as the ball appears to hit David Alaba's hand as he slides inside the box. VAR has a look, but nothing is given.

Lively start!

An early opportunity to create something for Real Madrid as they have a free kick 30 or so yards from goal. Toni Kroos is standing over it, he floats to the back post but it is over everyone's heads.

El Clasico number four of 2023 is under way.

Richard Winton
BBC Sport at Camp Nou

The teams are in the tunnel, Sweet Child of Mine is playing, and the noise is deafening.

Image source, Getty Images

Real Madrid will be feeling a little unfortunate after Barcelona won the first leg courtesy of an own goal.

Real dominated possession and chances but Eder Militao put through his own net to give the visitors victory.

Richard Winton
BBC Sport at Camp Nou

Ambling up to Camp Nou from the metro, it’s clear the Barca fans fancy this one. And no wonder, given their stellar recent run against Real.

Fireworks, chanting, and laughter soundtracked the walk and, with kick off nearing, it’s throbbing inside the old place too.

Sergio Busquets returns as Xavi makes four changes to the Barcelona XI from the 4-0 win at Elche on Saturday.

Alejandro Balde, Franck Kessie and Raphinha also come into the side with Ansu Fati and Ferran Torres among those dropping to the bench.

Barcelona XI: Ter Stegen, Kounde, Araujo, Alonso, Balde, Busquets, Kessie, Gavi, Roberto, Raphinha, Lewandowski.

Subs: Pena, Fati, F Torres, Alba, Garcia, Casado, Torre, Tenas, Alarcon, Estanis, Garrido.

Real Madrid make three changes from the 6-0 thrashing of Real Valladolid as they aim to overturn the one-goal deficit from the first leg.

Carlo Ancelotti brings back Luka Modric, Dani Carvajal and Federico Valverde after all three were rested at the weekend.

Lucas Vazquez, Aurelien Tchouameni and Marco Asensio drop to the bench.

Real Madrid XI: Courtois, Carvajal, Militao, Alaba, Camavinga, Kroos, Modric, Valverde, Rodrygo, Vinicius Jnr, Benzema.

Subs: Lunin, Luis Lopez, Vallejo, Nacho, Hazard, Asensio, Odriozola, Vazquez, Tchouameni, Ceballos, Rudiger, Mariano.

Image source, Getty Images

It is only April yet there's been three El Clasicos so far in 2023 and Barcelona have won all them.

Xavi's side face Real Madrid for the fourth time this year and fifth time this season looking to continue their dominance and secure their place in the Copa del Rey final.

For Real, getting that first El Clasico win of the year at the Nou Camp is certainly a daunting task, but their luck has turn sometime?