Because Jong Twente decided at the end of season to withdraw from the Derde Divisie Saturday and to continue in the league for reserve teams only, an extra spot became available in the Derde Divisie Saturday.
In an extra match, on neutral ground, these teams competed for the spot that became available.
The remaining 16 teams play next season in the 2018–19 Eerste Klasse Saturday leagues.
DETO, WHC and Flevo Boys promoted to the 2018-19 Hoofdklasse Saturday.
AFC, Rijsoord, HZVV and Huizen relegated to the 2018-19 Eerste Klasse Saturday.
Because Jong Twente decided, at the end of season, to withdraw from the Derde Divisie Saturday and to continue in the league for reserve teams only, an extra spot became available in the Derde Divisie Saturday.
This caused a repeated pattern of an extra available spot for all lower Saturday tiers of the pyramid.
The remaining 20 teams play next season in the 2018–19 Eerste Klasse Sunday leagues.
Sneek Wit Zwart, DHC Delft, Juliana '31 and BVC '12 relegated to the 2018-19 Eerste Klasse Sunday.
Because Jong De Graafschap, relegated from Derde Divisie, decided at the end of season to withdraw from the Hoofdklasse for next season and to continue in the league for reserve teams only, an extra spot became available in the Hoofdklasse Sunday leagues.
In an extra match, on neutral ground, these teams competed for the spot that became available.