Liverpool midfielder Allan is trialling with Eintracht Frankfurt.
Eintracht Frankfurt sports chief Bruno Hubner has confirmed the Brazilian is doing preseason with their first team.
"He wants the chance to show us what he can do," revealed Hubner.
Allan spent last season on-loan in Cyprus with Apollon Limassol and the previous year he was with Hertha Berlin.
The youngster has been forced to play away from England since signing for Liverpool due to UK work permit issues.