Feyenoord hit Heracles Almelo for six to keep their Eredivisie title hopes alive, but Vitesse Arnhem remain on their tails after beating Willem II
Graziano Pelle scored twice for Feyenoord, the second a penalty after Heracles had had goalkeeper Remko Pasveer sent off a minute before half-time, to go with strikes from John Goossens and Lex Immers as the Rotterdammers led 4-0 at the break.
Ruben Schaken made it five before Goossens sealed a 6-0 win with his second.
The victory moved Feyenoord level on points with PSV Eindhoven in second, but Ajax have a four-point advantage at the top with two games left.
Vitesse Arnhem stayed within two points of Feyenoord with a 3-1 home win over Willem II which edged the visitors closer to the drop.
Mike Havenaar, Wilfried Bony and Marco van Ginkel put the hosts in control, Genaro Snijders with a consolation for Willem II, who were left four points adrift of the relegation play-off places.
FC Twente, meanwhile, enjoyed a 5-2 win at home to NEC Nijmegen.
Goals from Douglas, Luc Castaignos and Nacer Chadli put the hosts three up after 47 minutes, but Nick van der Velden pulled one back.
Rasmus Bengtsson made it 4-1 before late goals from Twente's Felipe Gutierrez and Erik Falkenburg.
Elsewhere, FC Utrecht won 2-1 at PEC Zwolle.
Utrecht went ahead after two minutes through Nana Asare but Joost Broerse levelled.
Elroy Pappot got the winner 10 minutes into the second half.