It was clear that the officiating wasn’t fair,” Eguavoen, while speaking at the post-match press conference, said.
Both teams went into the first-half break without goals.
President Buhari on Sunday gave a pep talk to the Super Eagles, ahead of their second round match against Tunisia.
Ngannou came in the underdog amid several issues surrounding his contract, fighting his former teammate, and his former coach.
Head Coach Augustine Eguavoen supervised the session along with assistant coaches Salisu Yusuf, Paul Aigbogun, Joseph Yobo, Terry Eguaoje and Aloysius Agu.
Tunisian has been ravaged by positive COVID-19 tests, with some star players like Wahbi Khazri likely to be missing.
CAF rule is that teams affected by COVID-19 must play matches even if they have no recognised goalkeeper in their squad.
“In this competition, the standard is so high that everybody prepares both defensively and offensively.”
The matches will be held in March with Ghana hosting the first leg.
Ghana is to pay Rajevac a severance fee of $270,000, which can rise to $370,000 if a sign-on fee is included.
