| Uitslagen van externe ronde 4 | 04-08-2013 |
| 1 | Erik | Wille | Z | ˝-˝ | 1632 |
| 2 | Martin | Weijsenfeld | W | 1-0R | |
| 3 | Barth | Plomp | Z | ˝-˝ | 1940 |
| 4 | Paul | Schoenmakers | W | ˝-˝ | 1864 |
| 5 | Ruud | Verhoef | Z | 0-1 | 1782 |
| 6 | René van | Alfen | W | 0-1 | 1858 |
| 7 | Jacques | Boonstra | Z | 1-0 | 1814 |
| 8 | Marco | Braam | W | 0-1 | 1810 |
| 1 | Nico | Schoenmakers | W | 1-0 | 1802 |
| 2 | Jan | Vermeer | Z | ˝-˝ | 1582 |
| 3 | Hans | Rigter | W | ˝-˝ | 1579 |
| 4 | Jan | Groen | Z | 0-1 | 1711 |
| 5 | Theo van | Amerongen | W | 1-0 | 1504 |
| 6 | Rob van | Belle | Z | 1-0 | 1639 |
| 7 | Abbes | Dekker | W | 1-0 | 1644 |
| 8 | Hedser | Dijkstra | Z | 1-0 | 1387 |
| 1 | Jan | Vermeer | Z | 0-1 | 1837 |
| 2 | Tom | Bentvelzen | W | 0-1 | 1692 |
| 3 | Tijs van | Dijk | Z | 1-0 | 1825 |
| 4 | Frits | Wiggerts | W | 0-1 | 1633 |
| 5 | Theo | Koeweiden | Z | 0-1 | 1706 |
| 6 | Ton van | Eck | W | 0-1 | 1659 |
| 7 | Xadya van | Bruxvoort | Z | ˝-˝ | 1673 |
| 8 | Bent | Schleipfenbauer | W | 1-0 | 1636 |
| 1 | Dick | Hajee | W | ˝-˝ | 1717 |
| 2 | Hendrik van | Buren | Z | ˝-˝ | 1764 |
| 3 | Horst | Eder | W | ˝-˝ | 1626 |
| 4 | Zekria | Amani | Z | 0-1 | 1574 |
| 5 | Hans | Derendorp | W | ˝-˝ | 1569 |
| 6 | Bob | Hartogh Heys | Z | 0-1 | 1639 |