The 70th edition of the KNVB Cup started on October 7, 1987. The final was played on May 12, 1988: PSV beat Roda JC 3–2 and won the cup for the fourth time.
Teams
All 18 participants of the Eredivisie 1987-88
All 19 participants of the Eerste Divisie 1987-88
26 teams from lower (amateur) leagues
One youth team
First round
The matches of the first round were played between October 7 and 13, 1987.
E Eredivisie; 1 Eerste Divisie; A Amateur teams
Second round
The matches of the second round were played on November 14 and 15, 1987.
Round of 16
The matches of the round of 16 were played on February 10, 12, 14 and March 30, 1988.
Quarter finals
The quarter finals were played on April 13, 1988.
Semi-finals
The semi-finals were played on April 26, 1988.
Final
PSV also won the Dutch Eredivisie championship, thereby taking the double. They would participate in the European Cup, so Roda JC could play in the Cup Winners' Cup.