| Uitslagen van externe ronde 4 | 04-08-2013 |
| 1 | Ton van | Eck | Z | 1-0 | 1943 |
| 2 | Horst | Eder | W | 0-1 | 1389 |
| 3 | Lion de | Kok | Z | 0-1 | 1666 |
| 4 | Jonathan van der | Krogt | W | 1-0 | 1666 |
| 5 | Xadya van | Bruxvoort | Z | 1-0 | 1666 |
| 6 | Bent | Schleipfenbauer | W | 0-1 | 1666 |
| 1 | Bert | Sigmond | W | 1-0 | 1432 |
| 2 | Jos | Aarntzen | Z | 1-0 | 1377 |
| 3 | Ko | Kooman | W | 1-0 | 1271 |
| 4 | Herman de | Munnik | Z | 1-0 | 1257 |
| 5 | Jelle | Noordhuis | W | 1-0 | 1343 |
| 6 | André de | Groot | Z | 1-0 | 1271 |
| 1 | Hans | Meijer | W | 1-0 | 1569 |
| 2 | Bob | Hartogh Heys | Z | 0-1 | 1570 |
| 3 | Arif | Dundar | W | 1-0 | 1433 |
| 4 | Henk | Kelderman | Z | 0-1 | 1501 |
| 5 | Hein van | Vlerken | W | 1-0 | 1222 |
| 6 | Wim | Peters | Z | 0-1 | 1302 |
| 1 | Herman de | Munnik | W | 1-0 | 1388 |
| 2 | Bert | Sigmond | Z | ˝-˝ | 1438 |
| 3 | Rob | Rietbergen | W | ˝-˝ | 1525 |
| 4 | Frans | Veerman | Z | 1-0 | 1338 |
| 5 | Ko | Kooman | W | 1-0 | 1003 |
| 6 | Thijs | Stomphorst | Z | 1-0 | 1338 |
| 1 | Bob | Sanders | Z | ˝-˝ | 1420 |
| 2 | Jan | Zuidema | W | 1-0 | 1317 |
| 3 | Rob van | Maanen | Z | ˝-˝ | 1317 |
| 4 | Jan | Diekema | W | 0-1 | 1465 |
| 5 | René de | Goey | Z | 0-1 | 1066 |
| 6 | Jelmer | Visser | W | 1-0 | 1317 |