Onduparaka edge Tooro United 2-1 at the AbaBet Greenlight Stadium in a Uganda Cup match played on Wednesday, 23rd February.
A goal in each half from forwards Gabriel Matata and captain Muhammed Shaban gave George Lutalo's side the victory and make the Round of 16 grade.
Onduparaka is joined by another West Nile all-conquering fourth division side Tipsa from Koboko.
Tipsa beat visiting FUFA Big League side Kitara 2-1 at the Nyariro Primary School playground in Koboko. Tipsa had shocked top-flight side Arua Hill at the Round of 64.
Meanwhile, FUFA Big League outfit Kataka bundled out visiting West Nile Regional League side Paidha Black Angels 2-0 at Mbale Municipal Stadium.
Baba Joel Onziku and Swamad Okur scored Kataka’s two goals, both in the opening half. Onziku netted the opener in the 25th minute with Okur’s strike coming 10 minutes later.