| Round 1 |
| sa 09-05-1998 | Chris Grevers (1145) | - | Richard Cousijnsen (1236) | 1 | - | 1 | | Game |
| Peter Hoogteijling (1276) | - | Fred de Koning (1372) | 1 | - | 1 | | Game |
| Arie Janssen van Doorn (1188) | - | Evert van de Pol (1122) | 1 | - | 1 | | Game |
| Mark Kemperman (1481) | - | Eep van Manen (1183) | 2 | - | 0 | | Game |
| Marcel Knipper (1264) | - | Theo Berends (1321) | 1 | - | 1 | | Game |
| Hans Ladage (1233) | - | Henk Kleinrensink (1155) | 2 | - | 0 | | Game |
| Laurens Leimena (1119) | - | Ferry Kemperman (1289) | 0 | - | 2 | | Game |
| Round 2 |
| sa 30-05-1998 | Richard Cousijnsen (1236) | - | Mark Kemperman (1481) | 0 | - | 2 | | Game |
| Theo Berends (1321) | - | Peter Hoogteijling (1276) | 1 | - | 1 | | Game |
| Fred de Koning (1372) | - | Arie Janssen van Doorn (1188) | 2 | - | 0 | | Game |
| Ferry Kemperman (1289) | - | Hans Ladage (1233) | 1 | - | 1 | | Game |
| Evert van de Pol (1122) | - | Marcel Knipper (1264) | 1 | - | 1 | | Game |
| Eep van Manen (1183) | - | Chris Grevers (1145) | 0 | - | 2 | | Game |
| Henk Kleinrensink (1155) | - | Laurens Leimena (1119) | 1 | - | 1 | | |
| Round 3 |
| sa 06-06-1998 | Peter Hoogteijling (1276) | - | Henk Kleinrensink (1155) | 2 | - | 0 | | Game |
| Arie Janssen van Doorn (1188) | - | Laurens Leimena (1119) | 2 | - | 0 | | Game |
| Ferry Kemperman (1289) | - | Fred de Koning (1372) | 1 | - | 1 | | Game  |
| Marcel Knipper (1264) | - | Chris Grevers (1145) | 2 | - | 0 | | Game |
| Hans Ladage (1233) | - | Mark Kemperman (1481) | 0 | - | 2 | | Game |
| Evert van de Pol (1122) | - | Theo Berends (1321) | 0 | - | 2 | | Game |
| Eep van Manen (1183) | - | Richard Cousijnsen (1236) | 1 | - | 1 | | Game |
| Round 4 |
| sa 20-06-1998 | Fred de Koning (1372) | - | Theo Berends (1321) | 1 | - | 1 | | Game |
| Chris Grevers (1145) | - | Evert van de Pol (1122) | 0 | - | 2 | | Game |
| Arie Janssen van Doorn (1188) | - | Hans Ladage (1233) | 1 | - | 1 | | Game |
| Mark Kemperman (1481) | - | Ferry Kemperman (1289) | 1 | - | 1 | | Game |
| Marcel Knipper (1264) | - | Peter Hoogteijling (1276) | 1 | - | 1 | | Game |
| Laurens Leimena (1119) | - | Eep van Manen (1183) | 1 | - | 1 | | Game |
| Henk Kleinrensink (1155) | - | Richard Cousijnsen (1236) | 0 | - | 2 | | Game |
| Round 5 |
| sa 12-09-1998 | Richard Cousijnsen (1236) | - | Arie Janssen van Doorn (1188) | 0 | - | 2 | | Game |
| Fred de Koning (1372) | - | Marcel Knipper (1264) | 1 | - | 1 | | Game |
| Peter Hoogteijling (1276) | - | Mark Kemperman (1481) | 0 | - | 2 | | Game |
| Ferry Kemperman (1289) | - | Theo Berends (1321) | 1 | - | 1 | | Game |
| Hans Ladage (1233) | - | Evert van de Pol (1122) | 0 | - | 2 | | Game |
| Laurens Leimena (1119) | - | Chris Grevers (1145) | 1 | - | 1 | | Game |
| Eep van Manen (1183) | - | Henk Kleinrensink (1155) | 1 | - | 1 | | Game |
| Round 6 |
| sa 26-09-1998 | Theo Berends (1321) | - | Arie Janssen van Doorn (1188) | 1 | - | 1 | | Game |
| Richard Cousijnsen (1236) | - | Fred de Koning (1372) | 0 | - | 2 | | Game |
| Chris Grevers (1145) | - | Henk Kleinrensink (1155) | 2 | - | 0 | | Game |
| Mark Kemperman (1481) | - | Evert van de Pol (1122) | 2 | - | 0 | | Game |
| Marcel Knipper (1264) | - | Ferry Kemperman (1289) | 1 | - | 1 | | Game |
| Laurens Leimena (1119) | - | Peter Hoogteijling (1276) | 1 | - | 1 | | Game |
| Eep van Manen (1183) | - | Hans Ladage (1233) | 1 | - | 1 | | Game |
| Round 7 |
| sa 10-10-1998 | Richard Cousijnsen (1236) | - | Laurens Leimena (1119) | 1 | - | 1 | | Game |
| Peter Hoogteijling (1276) | - | Eep van Manen (1183) | 2 | - | 0 | | Game |
| Arie Janssen van Doorn (1188) | - | Marcel Knipper (1264) | 1 | - | 1 | | Game |
| Ferry Kemperman (1289) | - | Chris Grevers (1145) | 2 | - | 0 | | Game |
| Mark Kemperman (1481) | - | Fred de Koning (1372) | 1 | - | 1 | | Game |
| Hans Ladage (1233) | - | Theo Berends (1321) | 1 | - | 1 | | Game |
| Evert van de Pol (1122) | - | Henk Kleinrensink (1155) | 1 | - | 1 | | Game |
