The Amsterdam side led 5-0 after 33 minutes through a Matthijs de Ligt double, Van de Beek's first two goals and a David Neres strike.
Lasse Schone scored a penalty, Klaas-Jan Huntelaar netted and Van de Beek rounded off the rout with his third.
The Amsterdam side led 5-0 after 33 minutes through a Matthijs de Ligt double, Van de Beek's first two goals and a David Neres strike.
Lasse Schone scored a penalty, Klaas-Jan Huntelaar netted and Van de Beek rounded off the rout with his third.