Goals from Odemwingie and Nsofor gave Nigeria victory
Nigeria beat Ivory Coast 2-0 in a quarter-final of the Olympic Games men's football tournament in Qinhuangdao on Saturday.
Osaze Odemwingie scored with a right-footed strike in the 44th minute and Victor Obinna Nsofor converted a penalty 10 minutes from time.
Nigeria's opponents in the semi-finals on Tuesday will be Belgium, who upset Italy 3-2.
Should they win that game, Nigeria will face Brazil or Argentina in the final.
Both teams struggled to find any sort of rhythm in a sloppy first half, where the first meaningful action came in the 40th minute, when a header from Nigeria's Chinedu
Ogbuke Obasi whistled over the bar.
Odemwingie's goal four minutes later came on the break, as captain Nsofor led a counter-attack which swept the length of the field and ended with Odemwingie's shot.
Obasi almost doubled the lead just after halftime, but his volley went straight to goalkeeper Atchouail Angban.
Ivory Coast, at the Olympics for the first time, pushed forward in search of an
equaliser, and on 51 minutes Salomon Kalou's shot inside the box forced a
diving save from Ambruse Vanzekin.
The Baby Elephants came close again in the 70th minute, when striker Gervinho went past two defenders and struck from 18 yards, but Vanzekin pushed the shot past
Ivory Coast continued to press but the penalty put the game beyond their reach.
Souleymane Bamba brought down Obasi, and Obinna put the spot-kick into the top-right corner.
Nigeria: Ambrose Vanzekin, Onyekachi Apam, Dele Adeleye, Chinedu
Ogbuke (Promise Isaac 90), Sani Kaita, Obinna Nsofor (capt), Solomon
Okoronkwo (Monday James 78), Ebenezer Ajilore (Emmanuel Ekpo 86),
Olubayo Adefemi, Peter Odemwingie, Efe Ambrose
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