Partijen in Ronde 4
| 1 | Jan de Liefde | – | Aad van Eijk | 1-0 |
| 2 | Henk van Huizen | – | Jeffrey Hofland | 1-0 |
| 3 | Rob Bes | – | Maurits Bons | 1-0 |
| 4 | Ruud van Dijk | – | Arno Middeldorp | 0-1 |
| 5 | Patrick van Rijn | – | Tim de Torbal | 1-0 |
| 6 | Mike de Torbal | – | Aad Middeldorp | 1-0 |
Rangschikking na Ronde 4 – 29-7-2020 – Normal ranking.
| Pos | Naam | SPrc | Score | Prt |
| 1 | Dominique Nierop | 100,0 | 3,0 | 3 |
| 2 | Jan de Liefde | 100,0 | 3,0 | 3 |
| 3 | Harald Homulle | 100,0 | 1,0 | 1 |
| 4 | Patrick van Rijn | 100,0 | 1,0 | 1 |
| 5 | Mike de Torbal | 100,0 | 1,0 | 1 |
| 6 | Henk van Huizen | 75,0 | 3,0 | 4 |
| 7 | Rob Bes | 66,7 | 2,0 | 3 |
| 8 | Arno Middeldorp | 66,7 | 2,0 | 3 |
| 9 | Maurits Bons | 50,0 | 2,0 | 4 |
| 10 | Jeffrey Hofland | 50,0 | 2,0 | 4 |
| 11 | Franke Boersma | 50,0 | 1,0 | 2 |
| 12 | Aad van Eijk | 50,0 | 1,0 | 2 |
| 13 | Robert Warmenhoven | 50,0 | 1,0 | 2 |
| 14 | Marjolein Bouhuizen | 50,0 | 1,0 | 2 |
| 15 | Peter van Wermeskerken | 33,3 | 1,0 | 3 |
| 16 | Ruud van Dijk | 25,0 | 1,0 | 4 |
| 17 | Jan van der Meer | 0,0 | 0,0 | 1 |
| 18 | Geert van den Berg | 0,0 | 0,0 | 1 |
| 19 | Aad Middeldorp | 0,0 | 0,0 | 4 |
| 20 | Fonq Li Caljé | 0,0 | 0,0 | 1 |
| 21 | Tim de Torbal | 0,0 | 0,0 | 3 |
