1988–89 KNVB Cup
The 71st edition of the KNVB Cup started on October 1, 1988. The final was played on May 25, 1989: PSV beat FC Groningen 4–1 and won the cup for the fifth time. First round. The matches of the first round were played on October 1 and 2, 1988. Second round. The matches of the second round were played on November 18, 19 and 20, 1988. Round of 16. The matches of the round of 16 were played between February 1 and 15, 1989. Quarter finals. The quarter finals were played between March 8 and March 15 , 1989. Semi-finals. The semi-finals were played on April 12, 1989. Final. PSV also won the Dutch Eredivisie championship, thereby taking the double. They would participate in the European Cup, so finalists FC Groningen could play in the Cup Winners' Cup.