Reigning champions Germany suffered a shock 1-0 defeat to Mexico in the team's first game at the tournament, which took place at Moscow's Luzhniki Stadium on Sunday.

"We don't need any more wake-up calls at the tournament, the defeat to Mexico was enough. Now we have to deal with it with a positive attitude and everyone in the team is confident that we'll do it, that we'll get past the group stage. We just have to carry out on the pitch everything we've planned," Neuer told journalists.

Germany is set to play Sweden in their second group-stage game in Sochi on Saturday The teams met during the previous World Cup qualifiers with Sweden coming from four goals down to salvage an unlikely draw.

The 2018 FIFA World Cup will continue until July 15, with the matches set to be played in 11 cities across Russia.