Four clubs have already confirmed their slots in the 46th edition of the Stanbic Uganda Cup round of 32.
Holders Proline FC joined Kigezi Home Boyz, Tooro United and Mbarara City at this level.
Proline recovered from a goal down to overcome stubborn Katwe United 2-1 at the Star Times Stadium, Lugogo.
Michael Lubowa scored the opener before Proline rallied back to reply through skipper Musitafa Mujjuzi and the winner was scored by Hakim Kiwanuka.
In Amuria, Tooro United won 3-2 over Star Light Football Club and Kiryandongo Town Council lost at home to visiting Kigezi Homeboyz 3-1.
Earlier on Monday, Mbarara City Football Club defeated Kakira United 2-1. Solomon Okwalinga and Brian Aheebwa scored for the visitors while Johnie Obonga replied for the Eastern region side to create a tense finish for the match.
On Wednesday, three matches will be played in the continuation of the round of 64 stage. Kajjansi United will host Vipers SC at Mutesa II Wankulukuku Stadium in the famous Entebbe road derby.
Busia Young will host Busoga United at the Busia Intergrated Primary school in Busia, Bugamba takes on Onduparaka in Bugamba.
Wednesday, 22nd January
Kajjansi United Vs Vipers – Mutesa II Wankulukuku
Busia Young Vs Busoga United – Busia Intergrated Primary School, Busia
Bugamba Vs Onduparaka – Bugamba Ground