Few minutes after Ighalo's goal, Nigeria's Kenneth Omeruo made a wonderful interception to cut out Taha Khenissi's shot from the right after the Tunisian was sent through by a great curl from skipper Wahbi Khazri.
The 1-0 win saw the Super Eagles increase their AFCON bronze medal wins to eight since making her debut in the biennial tournament.
The deadlock was only broken in the extra time through Dylan Bronn's own goal.
"The statistics were even better for us, because we had 11 shots on goal, they had only six".
"Now they need to put in more effort in their last match of the tournament against Tunisia so that the country will be proud, " she said.
Nigeria defeated Tunisia by a lone goal in the third place match on Wednesday.
CAF duly awarded the match to Nigeria 2-0 and the Green Eagles received the bronze medals.
"It's a shame we will be without Kalidou, he's vital in this team, a player who gives us a lot".
He can inspire the Super Eagles to a 2-1 triumph at 19/2 to finish off our Tunisia vs Nigeria betting tips.
The Shenhua Shanghai striker walked off the pitch of play with a likely hamstring injury, and Victor Osimhen came on in the second half for injured Ighalo.
We're taking 8/5 for Gernot Rohr's side to prevail in normal time for our first Tunisia vs Nigeria prediction.
Coach Rohr said the loss was "tough to digest" for his players but stressed the current crop of Super Eagles had the potential to become "very good" given time. All I know is that we have an official match and many Nigerians who are yet to recover from Sunday's match will be looking forward to a consolation win, hence no room for any experiment. I see Nigeria being too strong for Tunisia as they secure third place. Tunisia have shown great determination in this tournament but they have a significantly weaker team than Nigeria.