The Netherlands, Montenegro and Ireland all recorded victories in Group A of EuroBasket Women Division B on Wednesday while Portugal prevailed in their Group B game.
The Dutch got 15 points and eight rebounds from Leonie Kooij and thrashed Iceland, 70-51.
The visitors raced into a 40-30 lead at half-time and delivered the knockout punch in the third quarter when they outscored the hosts 19-8.
The Netherlands (6-1), who are second in the group behind Montenegro, were 31 of 71 from the floor compared to Iceland's 17 of 47.
Iceland slumped to 1-6 on the campaign.
Montenegro (7-0), who edged the Netherlands by just two points in their encounter last year, claimed a big road victory at Switzerland on Wednesday to remain undefeated.
Iva Perovanovic finished with 21 points and 11 rebounds as the Montenegrins prevailed 76-46 in Neuchâtel.
Montenegro took command from the off, opening a 21-9 advantage by the end of the first quarter and extending that to 37-16 by the break.
Switzerland are now 1-6.
Ireland rolled to an 82-66 triumph at Slovenia with Susan Moran pouring in 23 points and corralling nine boards. Ireland out-rebounded their opponents 36-26.
In Group B, Sónia Reis scored 26 points and grabbed eight rebounds as Portugal romped to a 73-41 victory over Estonia.
The Portuguese are 3-2 and in second place behind Sweden (4-0).