Zamalek cemented their Egyptian League's leadership by defeating Enppi 3-1 at Cairo Stadium.
Obama had opened the scoring for the White Knights after only three minutes following a nice move towards the penalty area, before curling the ball into the net.
Ramy Sabry levelled thw scoring from a penalty spot in the 30th minute after the referee reviewed the VAR.
Bencharki's header gave Zamalek the advantage once again in the 34th minute.
Saif El-Din Gaziri came close to netting the third when he fired a powerful shot from the inside of the box, saved by Enpi's keeper.
Mahmoud Alaa added the third for the White Knights in the 44th minute through a powerful header past the goalkeeper.