Marc-Andre ter Stegen once again has expressed frustration with being overlooked by Germany head coach Joachim Low.
Ter Stegen deputised for Neuer during the 2018-19 season when the Bayern Munich captain was sidelined long-term due to injury.
Neuer has regained the gloves since returning to full fitness, though, and Ter Stegen has once again lashed out at the circumstance he finds himself in on the international level despite being considered one of the best goalkeepers in the world.
"It is not easy to find an explanation as I am giving the best account of myself in each game to make the decision more difficult," Ter Stegen said.
"I am trying [to become first-choice] anyway. But this trip with the national team has been a tough blow for me."
The frustration is nothing new for Ter Stegen.
He admitted earlier in the break that sitting and waiting on his time to be German's top goalkeeper was enough to drive him mad.
"Obviously, it drives me a bit mad. You give the best of yourself and you aren't where you want to be," he told T-Online.
"I have established my priorities. I want to be successful and the big objective I have is to be the first choice keeper for my country."
Ter Stegen, 27, has played 22 times for his country, who are on track to qualify for Euro 2020 after joining Northern Ireland on 12 points after five games.
They will return to the pitch next month for a friendly against Argentina - where Ter Stegen could find himself on the pitch against club team-mate Lionel Messi – before returning to qualifying against Estonia.