The ruling VVD is set to remain the biggest party in the senate with 12 out of 75 seats  but nationalist newcomer Forum voor Democratie is on target to take second place with 10
[...]
Backing for the anti-Islam PVV has fallen sharply and the party would take six seats in the senate, down from the nine it currently holds. The senate will be elected in May by the 570 members of the 12 provincial councils who were voted into power today.

Netherlands, South Holland provincial election

Peil exit poll

FvD-ECR: 16.1 (+16)
VVD-ALDE: 15.6 (-2)
PvdA-S&D: 8.5 (-1)
GL-G/EFA: 8.4 (+3)
D66-ALDE: 8 (-5)
CDA-EPP: 7.9 (-4)
PVV-ENF: 6.8 (-7)
CU-ECR: 6 (+1)
50+-ALDE: 5 (+1)
PvdD-LEFT: 4.5 (+1)
SP-LEFT: 4.3 (-5)

+/- vs. 2015 pic.twitter.com/Mx4PSKIHsF

— Europe Elects (@EuropeElects) March 20, 2019