The Manchester United striker has had certain effects from checks on an ankle injury this week however is but to go back to complete coaching with the squad.
And with Belgium sitting best of Group H and already confident in their World Cup position in Russia subsequent summer time, Martinez sees no level in risking him.
The former Everton boss is hopeful Lukaku can go back for Belgium’s conflict with Cyprus on Tuesday.
“At the moment, Romelu is working separately,” Martinez advised newshounds.
“He has now not joined the gang but since he arrived. We wish to be just a little bit affected person.
“I might say he’s very unsure for Saturday. We will decide most certainly on Friday, however I might say that this can be a little bit tricky for him to be concerned on Saturday.
“But we’re nonetheless hopeful he’s going to be concerned on Tuesday [against Cyprus].
“He desires to play. He got here with just a little little bit of a sore ankle. It is vital that he will get that absolutely recovered. It is a length of the season this is actually busy.
“We will give it as long as we can to make the final call but he is very uncertain for Saturday.”
United boss Jose Mourinho shall be proud of Martinez taking warning over his famous person striker with the Red Devils because of tackle Liverpool after the world destroy.
Mourinho can’t find the money for to be with out Lukaku, who has netted 11 targets in all competitions for United this time period, with Zlatan Ibrahimovic additionally at the sidelines although injury.