The Brazilian was left out of Real Madrid's matchday squad to face Levante on Saturday after being included in the last four games.
Vinicius was left out of Real Madrid's matchday squad to face Levante on Saturday and will wait to see if he is named to play for Castilla, who travel to face Celta Vigo B on Sunday.
Lopetegui had named the Brazilian in the Madrid squad in the past four games: against Sevilla, Atlético Madrid and Alavés in LaLiga and against CSKA Moscow in the Champions League, featuring in two of them. He was also part of the squad for Los Blancos' opening game of the season against Getafe, but wasn't given a run-out.
In the international break Vinicius also played, and impressed, for Brazil's Under-20s