The Super Eagles of Nigeria on Monday Defeated Guinea Bissau in the last 16 of the Africa Cup of Nations. qualify and second place in Group A with seven points, behind Equatorial Guinea.
Sangante emphatically turned a Moses Simon cross into his own net after feeling compelled to intervene with Victor Osimhen moving behind him.
Nigeria, who drew 1-1 with Equatorial Guinea in their opening game, have since been efficient if not spectacular, defeating the Ivorians 1-0 with a William Troost-Ekong penalty before this result.
The Eagles will be expected to meet Senegal, Guinea or Cameroon as team will now stay in Abidjan for a last-16 tie on Saturday at the Felix Houphouet Boigny Stadium.
Nigeria had chances to score goals but some were disallowed and others cancelled. Calvin Bassey had a penalty appeal turned down and Ola Aina blasted a good chance over, while African player of the year,. Osimhen and substitute Zaidu Sanusi both had goals disallowed for offside in the second half.
Interestingly, Franculino Dju also had a goal ruled out at the other end for Guinea-Bissau, but they were already eliminated before this game and finish with three defeats.
Regardless of the surprising win of Guinea-Bissau away to Nigeria in qualifying last March, they have still never won a game in 12 attempts across four appearances at the Cup of Nations itself.