According to Bild, Germany faces a potential quarterfinal clash with France and its stars led by Kylian Mbappé.
Upamecano has expressed a desire to face his Bayern Munich teammates.
Ahead of the World Cup opener against Curaçao, Manuel Neuer is set to make his long-awaited DFB comeback.
Mats Hummels addressed Neuer's form ahead of the match, acknowledging past errors while expressing confidence in the goalkeeper's readiness.
The DFB will monitor his physical condition closely as the tournament progresses.