Feyenoord thumped Willem II 5-0 as Ajax, PSV and Groningen all won in four Eredivisie games played on Saturday.
Jens Toornstra opened the scoring for the champions on 13 minutes before Steven Berghuis quickly doubled his side's lead just three minutes later.
Tonny Vilhena (39') made it four with Jean Paul Boëtius (PG 80') rounding off this one-sided affair at Stadion Feijenoord, with his late penalty.
Donny van de Beek (55') and David Neres (70') were both on target for Ajax in their 2-0 win over VVV Venlo.
Elsewhere, PSV overcame Roda JC 2-0 with goals from Jurgen Locadia (9') and Hirving Lozano (24').
And Groningen had Django Warmerdam (8') and Jesper Drost (40') to thank for their goals in a relatively comfortable 2-1 over Utrecht, who found the net through Jean-Christophe Bahebeck on 64 minutes.
All the results in full:
Feyenoord 5 – 0 Willem II
VVV 0 – 2 Ajax
PSV 2 – 0 Roda JC
Groningen 2 – 1 Utrecht