| Uitslagen van externe ronde 9 | 22-04-2018 |
| 1 | Tom | Bus | W | ˝-˝ | 2385 |
| 2 | Bob | Beeke | Z | 1-0 | 2232 |
| 3 | Eelco de | Vries | W | 0-1 | 2259 |
| 4 | Pieter | Verhoef | Z | 0-1 | 2217 |
| 5 | Peter | Boel | W | ˝-˝ | 2219 |
| 6 | Michiel | Blok | Z | ˝-˝ | 2272 |
| 7 | Jaap | Vogel | W | ˝-˝ | 2184 |
| 8 | Wouter van | Rijn | Z | 0-1 | 2091 |
| 9 | Otto | Wilgenhof | W | ˝-˝ | 2116 |
| 10 | Dirk | Hoogland | Z | ˝-˝ | |
| 1 | Sander | Berkhout | W | 0-1 | 2017 |
| 2 | Frank | Schleipfenbauer | Z | 1-0 | 2148 |
| 3 | Sjoerd van | Roosmalen | W | 0-1 | 1964 |
| 4 | Richard van der | Wel | Z | 0-1 | 1928 |
| 5 | Theo | Jurrius | W | 1-0 | 1927 |
| 6 | Mick Van | Randtwijk | Z | ˝-˝ | 1818 |
| 7 | Daan | Holtackers | W | ˝-˝ | 1916 |
| 8 | Fred | Reulink | Z | 1-0 | 1800 |
| 1 | Jan van de | Linde | W | 0-1 | 2179 |
| 2 | Coen | Mekers | Z | 0-1 | 2081 |
| 3 | Wouter | Abrahamse | W | 1-0 | 2141 |
| 4 | Koen | Maassen van den Brink | Z | ˝-˝ | 2027 |
| 5 | Freek | Hooning | W | ˝-˝ | 2045 |
| 6 | Barth | Plomp | Z | ˝-˝ | 2054 |
| 7 | Bart de | Kort | W | 0-1 | 1947 |
| 8 | Koen van | Keulen | Z | 0-1 | 2022 |
| 1 | Ruud | Verhoef | W | 0-1 | 1895 |
| 2 | Bert | Duijker | Z | 0-1 | 2034 |
| 3 | Ivo van der | Gouw | W | 1-0 | 1824 |
| 4 | Désiré | Fassaert | Z | ˝-˝ | 1969 |
| 5 | Paul de | Freytas | W | 0-1 | 1840 |
| 6 | Ruud | Wille | Z | ˝-˝ | 1854 |
| 7 | Gerben | Hendriks | W | 1-0 | 1638 |
| 8 | Steven | Braun | Z | 0-1 | 1794 |