PSV Eindhoven closed on the Eredivisie leaders with a 3-1 win over ADO Den Haag at Philips Stadion.
PSV Eindhoven remain third after only drawing 0-0 at Willem II on Saturday, while Excelsior, Heracles and Groningen all won.
PSV Eindhoven extended their unbeaten Eredivisie run to six games but were held to a 1-1 draw against FC Twente.
Hakim Ziyech's strike was enough as Ajax edged Excelsior with a 1-0 win to keep the pressure on Eredivisie leaders Feyenoord.
Feyenoord dropped points in the Eredivisie for the first time this season after a 1-1 draw with rivals Ajax.
PSV failed to close the gap on Eredivisie leaders Feyenoord after beinf held to a 1-1 draw by Heerenveen.