The Brunei FA Cup or DST FA Cup for sponsorship reasons is Brunei's premier knockout tournament in men's football (soccer). The current format is administered by the National Football Association of Brunei Darussalam (NFABD) since 2012.
All football clubs that have registered with the NFABD are eligible to enter the FA Cup, including non-league teams such as FC Phosphor who have entered every edition of the competition despite having not played league football since 2013.
Rules and regulations of the DST FA Cup are available here.
Winners so far are: