The defender, who was named man of the match in the 1-0 win over France, says his side's defensive solidity gives them a great chance for glory heading into the semi-finalsMats Hummels insists Germany are playing well enough to win the World Cup following their narrow quarter-final win over France.
Germany have yet to lose a match in Brazil, winning four of their five games to date, including the 1-0 victory on Friday in which Hummels scored the only goal.
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"We are playing the kind of football that will give us the chance to win," he told ARD. "Our defensive strength is what people were expecting.
"You can't always score two more goals than the opponents in the World Cup."
Hummels scored the only goal in the first half, heading in a Toni Kroos free kick to settle what proved to be a closely-contested encounter.
"The ball from Toni Kroos was good and I was in the right place at the right time," he added. "We had moments when we could play nicely but we had to fight.
"We knew France are among the top teams, it was not a walk in the park. It was not a pretty match but I think we deserved to go on and if we can carry this on it could pan out even if the next match is difficult.
"We have the passion and it should be intensified in the coming games."
This was Germany's first match at the Maracana this summer but, with the final set to be played in Rio de Janeiro on July 13, the Borussia Dortmund defender is hoping to be back in a short period of time.
"It is a dream to come true for me. I hope it is not over yet and that we will be here again in a couple of days."