MARRAKECH, Morocco (Interstat) — In a stunning upset that defied pregame projections, Nigeria opened its Africa Cup of Nations campaign with a decisive 2-0 victory over Algeria on Saturday, January 10, 2026, at a subdued Grand Stade de Marrakech.

The match, organized by the Africa Cup of Nations, pitted a heavily favored Algerian side against a Nigerian team that entered as significant underdogs. Statistical models had heavily favored the home side, with Interstat’s game simulator projecting a 1-1 draw and its ELO system giving Algeria a 72.20 percent probability to win. Nigeria’s performance rendered those forecasts irrelevant with a clinical second-half display.

The first half was a tense, physical affair that yielded few clear chances but several cautions. Algeria’s Ramiz Zerrouki was shown a yellow card in the 15th minute for a reckless challenge, setting a combative tone. His teammate, forward Mohamed El Amine Amoura, joined him in the book 13 minutes later. Nigeria struggled to find rhythm against Algeria’s pressure, while the home side failed to translate possession into meaningful threats on goal.

The match transformed completely in the final moments of the first half and the opening of the second. Nigeria broke the deadlock in the 47th minute, just before the interval. A well-worked team move culminated in a precise cross that found striker Victor Osimhen, who had entered the match as a substitute. The Napoli star powered a commanding header into the net, silencing the majority of the crowd and handing Nigeria a crucial lead.

Algeria, now forced to chase the game, found itself further behind just ten minutes after the restart. In the 57th minute, another Nigerian substitute made an immediate impact. Akor Adams, freshly on the pitch, received a clever assist and finished with a sharp left-footed strike to double the Super Eagles’ advantage. The goalscorers, Osimhen and Adams, were the clear key performers, each converting their lone chance with decisive efficiency.

Frustration mounted for Algeria as the deficit grew. Defender Rayan Aït-Nouri received a yellow card in the 62nd minute, and forward Anis Hadj Moussa was cautioned six minutes later. Midfielder Hicham Boudaoui was also booked in the 75th minute as Algeria’s discipline frayed. Nigeria managed the remainder of the game professionally, though they also saw late cautions for substitute Stanley Nwabili in the 85th minute and Moses Simon deep into stoppage time.

Nigeria’s defense, marshaled effectively after taking the lead, recorded a clean sheet. Algeria, despite boasting attacking talent like Amoura and Hadj Moussa, who were credited with assists in the statistical summary but could not forge a goal, was shut out entirely. The result immediately reshapes the group standings.

With the victory, Nigeria’s season record in this competition improves to 1 win and 0 losses, while its record across all competitions mirrors that start. For Algeria, the loss is a damaging beginning to its tournament, dropping its competition record to 0 wins and 1 loss, a mark that also reflects its overall season record. The Nigerian substitutes provided the decisive spark, while Algeria’s home-field advantage at the Grand Stade de Marrakech proved to be no advantage at all on a afternoon where expectation and reality sharply diverged.