Nationaal Open
| Jaar | Baan | Wedstrijd | Winnaar | Runner-up |
| 1929 | Haagse | 36 holes medalplay | D. Oosterveer (152) | G.M. Del Court van Krimpen* (154) |
| 1930 | ||||
| 1931 | ||||
| 1932 | Toxandria | J. Oosterveer (160) | P. Witte (165) | |
| 1933 | ||||
| 1934 | ||||
| 1935 | Hattem | J. Blansjaar (148) | D. Oosterveer (151) | |
| 1936 | ||||
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| 1950 |