The assistant Nationelf trainer has lavished praise on the shot stopper, who has been impressive in the Bundesliga this season and is again knocking on the national team's door
The Euro 96 veteran expressed his admiration for the 27-year-old who, after some good performances for the Rothosen, seems to once again be part of the national team's plans.
"Our duty is to find the best three [German] goalkeepers for World Cup 2014 in Brazil. Why should Rene [Adler] in his current form not have a chance?" the current Germany goalkeeping coach said in an interivew with Hamburger Abendblatt.
"Rene can focus on point like hardly anyone else. He has a calm and concentrated aura, but at the same time he is much more outspoken and certain than he used to be. I noticed that he directs [his team] much
more at Hamburg than he used to do at Leverkusen."
"Rene embodies exactly what we like to see from a goalkeeper in our national team."
Adler was installed as Germany's first-choice goalkeeper after Euro 2008 when Jens Lehmann retired. However, a serious rib injury saw him lose his place in the team and ultimately he did not even travel to South Africa for the World Cup.
"Before his injuries, Rene had quite a good spell. When I think about his great international match against Russia in 2008, despite an extreme strain, he had an outstanding game," Kopke continued.
"Now if he can keep a high level of performance going regularly for Hamburg while staying injury-free, he will reach this level again. He will be who he used to be."