The Sparrow Hawks of Togo hit the Super Eagles 4-1 in Lomé in a second round qualifying first leg match for the 2020 African Nations Championship (Chan).
Sunusi Ibrahim gave Nigeria the lead in the eighth minute.
Goals from the Togolese trio of Richard Nane (first two goals), Tchakel Marouf and Agoro Ashraf in the 16th, 67th, 75th and 90th minutes respectively completed the comeback for the hosts.
Nigerian team’s head coach Imama Amapakabo, however says he remained confident the situation is still redeemable.
Amapakabo who arrived at the match venue on a confident note was optimistic the result of the match will not determine which team qualifies.
Super Eagles B team reached the 2018 Chan final in Morocco.
But they will now need to win the return leg next month at home by at least 3-0 to make it to Cameroon 2020.