Zanaco beat Lusaka Tigers 4-0 away at Nkoloma Stadium to open an 11-point lead at the top of the FAZ Super Division table.
Saith Sakala fired-in a hat trick in this Lusaka derby clash to send Zanaco to 46 points and to leave second placed Nkana trailing on 35 points after 19 matches played.
Sakala found the target in the 27th and 39th minutes to see Zanaco take a 2-0 lead into the break.
Fashion Sakala scored his seventh of the season when he found the target in stoppage time.
Saith Sakala completed his hat trick two minutes later to also send his tally for the season to seven goals.
Tigers remain second from last after suffering their fourth consecutive league defeat.