Dutch National Championships
Zaandam & Nieuwegein & Rotterdam
October 24-28, 1991
Quarterfinals (in Zaandam)
| 1991-10-24 | 63,5kg | Wil Zwezerijnen | Rene Prins | 3:2 |
| 1991-10-24 | 63,5kg | Louis Vargas | Nelis Klee | 5:0 |
| 1991-10-24 | 67kg | Han Doorenbosch | Osman Arik | 5:0 |
| 1991-10-24 | 67kg | Ronald Vos | Jean Verhaegen | 4:1 |
| 1991-10-24 | 71kg | Henk Kappel | Math Haagmans | 5:0 |
| 1991-10-24 | 71kg | Reimo van der Hoeck | Martin Siepman | AB 2 |
Semifinals (in Nieuwegein)
| 1991-10-25 | 63,5kg | Wil Zwezerijnen | Louis Vargas | 5:0 |
| 1991-10-25 | 63,5kg | Jizhar Jacobus | van London | 5:0 |
| 1991-10-25 | 67kg | Han Doorenbosch | Dick van Egmond | 4:1 |
| 1991-10-25 | 67kg | Ronald Vos | Willem Sterkenburg | 5:0 |
| 1991-10-25 | 71kg | Orhan Delibas | Henk Kappel | 5:0 |
| 1991-10-25 | 71kg | Reimo van der Hoeck | Antonio Medina | AB 2 |
| 1991-10-25 | 75kg | Raymond Joval | Fred Dillewaard | 4:1 |
| 1991-10-25 | 81kg | Peter Zwezerijnen | Spaan | 5:0 |
| 1991-10-25 | 81kg | Eugene Sedney | Tieleman | 5:0 |
| 1991-10-25 | 91kg | Arnold Vanderlyde | Hans Carras | RSCI 3 |
| 1991-10-25 | 91kg | Bert van Berkel | Bakker | KO 1 |
| 1991-10-25 | +91kg | Jerry Nijman | Pierre Bouley | RSCI 1 |
| 1991-10-25 | +91kg | Raymond Weijgerse | Peter van Kollenburg | 5:0 |
Finals (in Rotterdam)
| 1991-10-28 | 57kg | Miguel Dias | Martin Hagenaars | 5:0 |
| 1991-10-28 | 60kg | Arthur Santana | Wilfred Herts | 5:0 |
| 1991-10-28 | 63,5kg | Jizhar Jacobus | Wil Zwezerijnen | 5:0 |
| 1991-10-28 | 67kg | Ronald Vos | Han Doorenbosch | 4:1 |
| 1991-10-28 | 71kg | Orhan Delibas | Reimo van der Hoeck | 5:0 |
| 1991-10-28 | 75kg | Raymond Joval | Erik van der Heuvel | 5:0 |
| 1991-10-28 | 81kg | Peter Zwezerijnen | Eugene Sedney | 5:0 |
| 1991-10-28 | 91kg | Arnold Vanderlyde | Bert van Berkel | 5:0 |
| 1991-10-28 | +91kg | Jerry Nijman | Raymond Weijgerse | 3:2 |