Thijs van der Meer (Jeskai Superfriends) wins his match over Stefan Beerens (Esper Control)
Benjamin Vliegenthart (Esper Control) wins his match over Bas Timmermans (Esper Control)
Nick Bresser (Lazav Combo) wins his match over Edwin Steenhoek (Bant Scapeshift)
Orin van Loon (Boros Feather) wins his match over Niels Wardenier (Grixis Reanimator)

That means that our Top4 is:

Thijs van der Meer (Jeskai Superfriends) vs. Benjamin Vliegenthart (Esper Control)
Nick Bresser (Lazav Combo) vs. Orin van Loon (Boros Feather)