| Uitslagen van externe ronde 4 | 29-01-2018 |
| 1 | Zekria | Amani | Z | 0-1 | 1792 |
| 2 | Koen van | Keulen | W | 1-0 | 1697 |
| 3 | Horst | Eder | Z | ˝-˝ | 1632 |
| 4 | Arjan | Hoenselaar | W | 0-1 | 1530 |
| 5 | Hendrik van | Buren | Z | ˝-˝ | 1401 |
| 6 | Kees van | Keulen | W | ˝-˝ | 1610 |
| 1 | Henk | Schunck | W | ˝-˝ | 1640 |
| 2 | Gerrie | Arends | Z | ˝-˝ | 1491 |
| 3 | Hans | Derendorp | W | 0-1 | 1603 |
| 4 | Bryan | Hieltjes | Z | 1-0 | 1293 |
| 5 | Ko | Kooman | W | ˝-˝ | 1512 |
| 6 | Kazem | Mollahosseini | Z | 1-0 | 1277 |
| 1 | Danny | Hageman | W | ˝-˝ | 1566 |
| 2 | Jonathan van der | Krogt | Z | 0-1 | 1771 |
| 3 | André de | Groot | W | 0-1 | 1516 |
| 4 | Thijs | Stomphorst | Z | 0-1 | 1135 |
| 5 | Jelle | Noordhuis | W | 1-0 | 1322 |
| 6 | Bert | Maas | Z | 0-1 | 1468 |
| 1 | André de | Groot | Z | 1-0 | 1538 |
| 2 | Theo van | Lotringen | W | 0-1 | 1590 |
| 3 | Jan | Sanders | Z | 1-0 | 1550 |
| 4 | Hans | Meijer | W | ˝-˝ | 1489 |
| 5 | Werner | Gubbels | Z | ˝-˝ | 1419 |
| 6 | Pim | Rijmer | W | 0-1 | 1411 |