| Uitslagen van externe ronde 4 | 04-08-2013 |
| 1 | Erik | Wille | Z | 1-0 | 1946 |
| 2 | Jan | Knuiman | W | 1-0 | 1898 |
| 3 | Wouter | Abrahamse | Z | 1-0 | 1840 |
| 4 | Tony | Hogerhorst | W | 1-0 | 1702 |
| 5 | Robert | Naasz | Z | ½-½ | 1670 |
| 6 | Nico | Schoenmakers | W | 1-0 | 1682 |
| 7 | Theo van | Amerongen | Z | ½-½ | 1571 |
| 8 | Abbes | Dekker | W | 1-0 | 1362 |
| 1 | Hans | Rigter | W | 1-0 | 1878 |
| 2 | Ruud | Verhoef | Z | ½-½ | 1780 |
| 3 | Hedser | Dijkstra | W | 1-0 | 1765 |
| 4 | Rob van | Belle | Z | ½-½ | 1665 |
| 5 | Tje Wing | Au | W | 1-0 | 1652 |
| 6 | Jacques | Boonstra | Z | 1-0 | 1645 |
| 7 | Jan | Groen | W | ½-½ | 1638 |
| 8 | Jan | Vermeer | Z | 0-1 | 1633 |
| 1 | Dick | Hajee | Z | ½-½ | 1897 |
| 2 | Jan | Vermeer | W | 1-0 | 1745 |
| 3 | Tijs van | Dijk | Z | 1-0 | 1351 |
| 4 | Tom | Bentvelzen | W | ½-½ | 1637 |
| 5 | Marco | Braam | Z | 1-0 | 1614 |
| 6 | Henk | Kuiphof | W | 0-1 | 1604 |
| 7 | Theo | Koeweiden | Z | ½-½ | 1596 |
| 8 | Horst | Eder | W | ½-½ | 1496 |