Zanaco have gone three points clear at the top of the FAZ Super Division table after downing hosts Green Buffaloes in a rescheduled Week 6 fixture away on Wednesday.
Mumamba Numba’s side beat Buffaloes 1-0 at Independence Stadium in Lusaka.
Fashion Sakala scored the games only goal in the 32nd minute after he headed-in Roderick Kabwe’s cross to record his sixth goal of the campaign.
Zanaco move to 31 points, leaving Nkana in second place on 28 points while Buffaloes remain 4th on 25 points.
And across town at Nkoloma Stadium, Nchanga Rangers stayed unbeaten for a fourth straight game when they held hosts Red Arrows to a 0-0 draw.
Arrows stay 13th and without a win in seven games since beating Nakambala Leopards 1-0 on May 4 at the same venue.