Tyronne Ebuehi is fit for the opening game after recovering from a nose bleed.
Ebuehi has been impressive for the Super Eagles during the World Cup preparatory matches against DR Congo, England and the Czech Republic.
The 22-year-old defender is expected to compete with Shehu Abdullahi for the right back spot in the Super Eagles.
Super Eagles head coach Gernot Rohr revealed at a press conference that Ebuehi will partake in training at the Essentuki based ahead of their World Cup opener against Croatia after a nose bleed in their last training session of Tuesday, June 12.
He said, "He's fit and there are no injury problems in the team."
The Super Eagles take on Croatia on Saturday, June 16 before facing other group opponents Iceland and Croatia.