| Round 1 |
| sa 04-04-1998 | Hans Jansen (1552) | - | Auke Scholma (1448) | 1 | - | 1 | | Game |
| Wieger Wesselink (1448) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Gerrit Boom (1431) | - | Hendrik van der Zee (1517) | 0 | - | 2 | | Game |
| Kees Thijssen (1486) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Rob Clerc (1570) | - | Bert Raven (1457) | 1 | - | 1 | | Game |
| Harm Wiersma (1603) | - | Johan Krajenbrink (1502) | 1 | - | 1 | | Game |
| Alex Mathijsen (1427) | - | Gérard Jansen (1540) | 0 | - | 2 | | Game |
| Round 2 |
| su 05-04-1998 | Bert Raven (1457) | - | Auke Scholma (1448) | 1 | - | 1 | | Game |
| Paul Oudshoorn (1459) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Wieger Wesselink (1448) | - | Gerrit Boom (1431) | 2 | - | 0 | | Game |
| Hendrik van der Zee (1517) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Rob Clerc (1570) | - | Kees Thijssen (1486) | 1 | - | 1 | | Game |
| Alex Mathijsen (1427) | - | Harm Wiersma (1603) | 0 | - | 2 | | Game |
| Johan Krajenbrink (1502) | - | Gérard Jansen (1540) | 0 | - | 2 | | Game |
| Round 3 |
| mo 06-04-1998 | Johan Krajenbrink (1502) | - | Alex Mathijsen (1427) | 2 | - | 0 | | Game |
| Auke Scholma (1448) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Odin Mol (1417) | - | Gerrit Boom (1431) | 1 | - | 1 | | Game |
| Hendrik van der Zee (1517) | - | Wieger Wesselink (1448) | 1 | - | 1 | | Game |
| Kees Thijssen (1486) | - | Bert Raven (1457) | 1 | - | 1 | | Game |
| Hans Jansen (1552) | - | Rob Clerc (1570) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Harm Wiersma (1603) | 1 | - | 1 | | Game |
| Round 4 |
| tu 07-04-1998 | Odin Mol (1417) | - | Alex Mathijsen (1427) | 0 | - | 2 | | Game |
| Bert Raven (1457) | - | Hans Jansen (1552) | 0 | - | 2 | | Game |
| Johan Krajenbrink (1502) | - | Wieger Wesselink (1448) | 1 | - | 1 | | Game |
| Auke Scholma (1448) | - | Kees Thijssen (1486) | 0 | - | 2 | | Game |
| Paul Oudshoorn (1459) | - | Rob Clerc (1570) | 1 | - | 1 | | Game |
| Harm Wiersma (1603) | - | Hendrik van der Zee (1517) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Gerrit Boom (1431) | 2 | - | 0 | | Game |
| Round 5 |
| we 08-04-1998 | Odin Mol (1417) | - | Johan Krajenbrink (1502) | 1 | - | 1 | | Game |
| Paul Oudshoorn (1459) | - | Bert Raven (1457) | 0 | - | 2 | | Game  |
| Gerrit Boom (1431) | - | Alex Mathijsen (1427) | 2 | - | 0 | | Game |
| Kees Thijssen (1486) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Rob Clerc (1570) | - | Auke Scholma (1448) | 0 | - | 2 | | Game  |
| Wieger Wesselink (1448) | - | Harm Wiersma (1603) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Hendrik van der Zee (1517) | 1 | - | 1 | | Game |
| Round 6 |
| fr 10-04-1998 | Alex Mathijsen (1427) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Gerrit Boom (1431) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Auke Scholma (1448) | - | Wieger Wesselink (1448) | 0 | - | 2 | | Game |
| Hendrik van der Zee (1517) | - | Bert Raven (1457) | 1 | - | 1 | | Game |
| Johan Krajenbrink (1502) | - | Rob Clerc (1570) | 0 | - | 2 | | Game |
| Harm Wiersma (1603) | - | Kees Thijssen (1486) | 1 | - | 1 | | Game |
| Odin Mol (1417) | - | Gérard Jansen (1540) | 0 | - | 2 | | Game |
| Round 7 |
| sa 11-04-1998 | Bert Raven (1457) | - | Alex Mathijsen (1427) | 2 | - | 0 | | Game |
| Paul Oudshoorn (1459) | - | Johan Krajenbrink (1502) | 1 | - | 1 | | Game |
| Hans Jansen (1552) | - | Wieger Wesselink (1448) | 1 | - | 1 | | Game |
| Kees Thijssen (1486) | - | Gerrit Boom (1431) | 1 | - | 1 | | Game |
| Rob Clerc (1570) | - | Hendrik van der Zee (1517) | 1 | - | 1 | | Game |
| Harm Wiersma (1603) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Auke Scholma (1448) | 1 | - | 1 | | Game |
| Round 8 |
| su 12-04-1998 | Auke Scholma (1448) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Wieger Wesselink (1448) | - | Bert Raven (1457) | 2 | - | 0 | | Game |
| Hendrik van der Zee (1517) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Johan Krajenbrink (1502) | - | Kees Thijssen (1486) | 1 | - | 1 | | Game |
| Alex Mathijsen (1427) | - | Rob Clerc (1570) | 0 | - | 2 | | Game |
| Gerrit Boom (1431) | - | Harm Wiersma (1603) | 1 | - | 1 | | Game |
| Hans Jansen (1552) | - | Gérard Jansen (1540) | 0 | - | 2 | | Game |
| Round 9 |
| mo 13-04-1998 | Paul Oudshoorn (1459) | - | Alex Mathijsen (1427) | 1 | - | 1 | | Game |
| Odin Mol (1417) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Gerrit Boom (1431) | - | Johan Krajenbrink (1502) | 0 | - | 2 | | Game |
| Kees Thijssen (1486) | - | Hendrik van der Zee (1517) | 1 | - | 1 | | Game |
| Rob Clerc (1570) | - | Wieger Wesselink (1448) | 2 | - | 0 | | Game |
| Harm Wiersma (1603) | - | Auke Scholma (1448) | 2 | - | 0 | | Game |
| Bert Raven (1457) | - | Gérard Jansen (1540) | 1 | - | 1 | | Game |
| Round 10 |
| we 15-04-1998 | Bert Raven (1457) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Auke Scholma (1448) | - | Gerrit Boom (1431) | 0 | - | 2 | | Game |
| Wieger Wesselink (1448) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Hendrik van der Zee (1517) | - | Johan Krajenbrink (1502) | 1 | - | 1 | | Game |
| Alex Mathijsen (1427) | - | Kees Thijssen (1486) | 1 | - | 1 | | Game |
| Hans Jansen (1552) | - | Harm Wiersma (1603) | 0 | - | 2 | | Game |
| Gérard Jansen (1540) | - | Rob Clerc (1570) | 1 | - | 1 | | Game |
| Round 11 |
| th 16-04-1998 | Johan Krajenbrink (1502) | - | Auke Scholma (1448) | 0 | - | 2 | | Game |
| Gerrit Boom (1431) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Alex Mathijsen (1427) | - | Hendrik van der Zee (1517) | 1 | - | 1 | | Game |
| Kees Thijssen (1486) | - | Wieger Wesselink (1448) | 2 | - | 0 | | Game |
| Rob Clerc (1570) | - | Odin Mol (1417) | 2 | - | 0 | | Game |
| Harm Wiersma (1603) | - | Bert Raven (1457) | 2 | - | 0 | | Game |
| Gérard Jansen (1540) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Round 12 |
| fr 17-04-1998 | Odin Mol (1417) | - | Paul Oudshoorn (1459) | 1 | - | 1 | | Game |
| Hans Jansen (1552) | - | Johan Krajenbrink (1502) | 1 | - | 1 | | Game |
| Bert Raven (1457) | - | Gerrit Boom (1431) | 0 | - | 2 | | Game |
| Wieger Wesselink (1448) | - | Alex Mathijsen (1427) | 1 | - | 1 | | Game |
| Auke Scholma (1448) | - | Hendrik van der Zee (1517) | 0 | - | 2 | | Game |
| Rob Clerc (1570) | - | Harm Wiersma (1603) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Kees Thijssen (1486) | 0 | - | 2 | | Game |
| Round 13 |
| sa 18-04-1998 | Alex Mathijsen (1427) | - | Auke Scholma (1448) | 1 | - | 1 | | Game |
| Johan Krajenbrink (1502) | - | Bert Raven (1457) | 0 | - | 2 | | Game |
| Hendrik van der Zee (1517) | - | Hans Jansen (1552) | 1 | - | 1 | | Game |
| Kees Thijssen (1486) | - | Odin Mol (1417) | 1 | - | 1 | | Game |
| Gerrit Boom (1431) | - | Rob Clerc (1570) | 1 | - | 1 | | Game |
| Paul Oudshoorn (1459) | - | Harm Wiersma (1603) | 1 | - | 1 | | Game |
| Gérard Jansen (1540) | - | Wieger Wesselink (1448) | 1 | - | 1 | | Game |
