The 1997–98 Slovenian PrvaLiga season started on 3 August 1997 and ended on 7 June 1998. Each team played a total of 36 matches.
Beltinci won 5–1 on aggregate.
Domžale won 4–2 on aggregate.
Every team plays four times against their opponents, twice at home and twice on the road, for a total of 36 matches.