"Our defensive players have lost confidence and that's very unfortunate, he said".
But when coach Joachim Löw's men take to the pitch against Sweden for their second Group F match in Sochi's Fisht Stadium they will be painfully aware that defeat by the Scandinavians could mean the end of one of the longest World Cup records.
Goals from Marco Reus and Toni Kroos in the second half helped Germany to come from a goal down to claim a vital victory in their second group game following their defeat by Mexico in their opener.
Should he play, all eyes will be on the forward's response to the racist social media abuse he received in the wake of the incident, and which prompted Sweden's squad to issue of united condemnation of the perpetrators.
Sweden has just two goals for the tournament, by Andreas Granqvist and Ola Toivonen.
The charismatic midfielder, who has won four Champions League titles with Bayern Munich and Real Madrid, had always been criticised for not succeeding 2014 World Cup winners Philipp Lahm and Bastian Schweinsteiger as the national team's talisman.More news: Britain backs EU duties on American goods, May’s spokesman says
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"It's nothing I'm bothered about", Durmaz said.
If Korea is miraculously to advance to the next stage, it must beat Germany and hope that Mexico beats Sweden.
They are level on three points with Sweden with exactly the same goal difference. A win or draw from Mexico send them through as Group F leaders. A lot of negative things were said about us before the game, and much was fair.
In a show of unity, the team and coach Janne Andersson stood with Durmaz as the player read a statement Sunday before a training session, calling the attacks "completely unacceptable".
Goalkeeper Guillermo Ochoa said Mexico are determined to secure the result they need to make sure of top spot, revealing that the squad is fired by criticism they received from home fans before arriving in Russian Federation.
Supporters who had been calling for the 56-year-old to be axed following a 1-0 friendly win over Scotland earlier this month appear to have made their peace with the Colombian.