They defeated Down Town FC 2-1 in their quarter-final tie played at the Dembadou Mini Stadium in Sukuta.
Nema Su Youths FC scored two goals to edge-past Down Town FC to sail to the last four of the tournament.
Down Town FC netted one goal, which eventually proved to be a consolation for them.
The defeat saw Down FC out of the tournament after slipping to Nema Su Youths in their quarter-final encounter.
