Ajax beat amateurs Excelsior Maassluis 7-2 on Wednesday, whereas AZ beat PEC Zwolle on December 3rd 3-1 in a rescheduled second-round meeting. Ajax and AZ faced each other in the round of 16 last season too, as AZ beat the Amsterdam giants 2-0.
Elsewhere, Eredivisie champions PSV will visit nearby 's-Hertogenbosch to play second-tier FC Den Bosch. Holders Go Ahead Eagles are set to host Heracles Almelo in one of four all-Eredivisie matchups. De Treffers, the only remaining amateur team, will face NEC Nijmegen.
The next round of the KNVB Beker will be played between January 13 and 15.
Full draw
AZ - Ajax
Sparta Rotterdam - FC Volendam
FC Den Bosch - PSV
De Treffers - NEC
Go Ahead Eagles - Heracles Almelo
