| Uitslagen van externe ronde 4 | 04-08-2013 |
| 1 | Bob | Kooij | Z | ˝-˝ | 1425 |
| 2 | Ko | Kooman | W | 0-1 | 1621 |
| 3 | Kees van | Keulen | Z | 0-1 | 1565 |
| 4 | Frans | Veerman | W | 1-0 | 1475 |
| 5 | Koen van | Keulen | Z | 0-1 | 1522 |
| 6 | Cor van der | Jagt | W | 0-1 | 1522 |
| 1 | Jos | Aarntzen | W | ˝-˝ | 1466 |
| 2 | Jonathan van der | Krogt | Z | ˝-˝ | 1615 |
| 3 | Lion de | Kok | W | 0-1 | 1623 |
| 4 | Jelle | Noordhuis | Z | ˝-˝ | 1525 |
| 5 | Jan Pieter | Lourens | W | ˝-˝ | 1400 |
| 6 | Hugo van | Essen | Z | 0-1 | 1386 |
| 1 | Pieter | Verhoef | W | 1-0 | 1401 |
| 2 | Jean | Lewin | Z | 0-1 | 1352 |
| 3 | Alain van der | Velden | W | ˝-˝ | 1160 |
| 4 | Floris van | Capelleveen | Z | 0-1 | 868 |
| 5 | Bryan | Hieltjes | W | ˝-˝ | 1195 |
| 6 | Teun | Gal | Z | 0-1 | 1195 |
| 1 | Frans | Veerman | W | ˝-˝ | 1456 |
| 2 | Hans | Meijer | Z | 0-1 | 1552 |
| 3 | Jan | Sanders | W | 0-1 | 1482 |
| 4 | Henk | Kelderman | Z | ˝-˝ | 1420 |
| 5 | Hein van | Vlerken | W | 1-0 | 1173 |
| 6 | Wim | Peters | Z | 0-1 | 1344 |
| 1 | Bob | Sanders | Z | 0-1 | 1551 |
| 2 | Clemens | Wijman | W | ˝-˝ | 1455 |
| 3 | Jan | Zuidema | Z | 0-1 | 1551 |
| 4 | André de | Groot | W | 1-0 | 1455 |
| 5 | Arif | Dundar | Z | 0-1 | 1488 |
| 6 | Jan | Diekema | W | 1-0 | 1231 |