Nigeria will face Tunisia in the second game of the Round of 16 on Sunday after the Carthage Eagles finished third in Group F.
Tunisia has had a tough AFCON 2021 experience, falling 1-0 to Mali in their opening game that was filled with controversy before thumping Mauritania 4-1 in their next game.
Just before the game against Gambia that ended in a 1-0 loss for the 2004 winners, half of the squad tested positive for Covid-19 which meant they had to prosecute a must win match with a depleted squad.
