The 2018 season was Albirex Niigata Singapore FC's 15th consecutive season in the top flight of Singapore football [1] and in the S.League, having joined the S.League in 2004.
Along with the S.League, the club also competed in the Singapore Cup and the Singapore League Cup.
They were the defending champions in 2018.
[2] [5] [29] Win Draw Loss Win Draw Loss Win Draw Loss Albirex Niigata won 3-0 on aggregate.
Albirex Niigata won 4-2 on aggregate.