Sewe Sport and Al Ahly gave Nkana some hope in the 2014 CAF Confederation Cup after drawing in Abidjan on Sunday afternoon.
Leaders Al Ahly were held to a 1-1 draw in Cote d’Ivoire to move to 5 points in Group B.
Moussa Yedan put the Egyptians ahead in the 45th minute before Christian Kouame earned Sewe a point in the 78th minute.
Sewe remain third on three points, two ahead of bottom placed Nkana who now need to win their next two home games to keep their semifinals hopes alive.
Meanwhile, Al Ahly beat Etoile du Sahel of Tunisia to top spot only on goal difference on five points each.