They defeated Black Star KM 4-3 on post-match penalty shootouts after regular time ended 2-2 at the Brikama Box Bar Mini Stadium on Sunday.
Lamin Jagng gave Black Star KM the lead in the 16th minute of the match.
YMBA FC quickly reacted for an equalizer and levelled matters through Yuspha Fofana in the 38th minute of the match from the penalty spot.
Modou Jadama netted the second goal for Black Star KM FC in the 81st minute of the match.
Babucarr Jatta levelled the score for YMBA FC in the 86th minute of the match from the penalty spot.
This pushed the match into post-match penalty shootouts, which ended 4-3 in favour of YMBA FC.
YMBA will be hoping to beat United Star FC in their next qualifier match to progress to the next round of the Brikama nawettan qualifiers.
The defeat saw Black Star KM FC out of the Brikama nawettan qualifiers and will now hang up their boots until next year.
