World Cup warning: Germany's coach Joachim Loew.

World Cup warning: Germany's coach Joachim Loew. Photo: AFP

Germany coach Joachim Loew has accused Brazil of going "beyond the limits" in their tackling and says he expects "a battle" in Tuesday's (Wednesday AEST) World Cup semi-final against the Selecao.

Loew turned up the pressure for the semi-final at Belo Horizonte by insisting Mexican referee Marco Rodriguez clamp down on hard challenges to ensure they do not go "beyond what is acceptable."

With a place in the final at stake, the Germans expect to be attacked from the start with the hosts desperate to lift the title for injured superstar Neymar.

Brazil have been accused of going "beyond the limits" with their tackling.

Brazil have been accused of going "beyond the limits" with their tackling. Photo: AFP

Brazil committed 31 fouls in the 2-1 quarter-final win over Colombia and 28 in their last 16 win over Chile, compared to just 29 by the Germans in their two knockout matches.

"It's the battle of two continents, Europe against South America. Brazil have 200 million fans, so we're playing the whole country, it's something unique," said Loew.

"I hope the referee Rodriguez will clamp down, because I have seen in the last few matches that Brazil's physical energy is going beyond of what we see in Europe.

"If the games had been played in Europe, none of the 22 players would have finished the matches.

"I believe we have to see that these brutal and rude fouls are stopped, because we won't see the talents of the likes of (Mesut) Ozil or Neymar.

"We will see players going out to destroy the opposition.

"I have seen at this World Cup that the physical limits of what is acceptable have been surpassed.

Loew described the Colombia and Brazil quarter-final as "a real fight with numerous fouls" from both sides.

"I think there was only about 38, 39 minutes of playing time, I don't think the fans are happy if there are so many stoppages and it doesn't make for a good match.

"I have seen many fouls which were really dangerous with sliding tackles from the side and behind.

"Referees must protect the players.

"Some of the forwards were aggressed in a very bad way and I don't think that was a good thing."

AFP