WTA Düsseldorf Open
| Düsseldorf International Düsseldorf Open | |
|---|---|
| Defunct tennis tournament | |
| Founded | 1906 |
| Abolished | 1974 |
| Location | Düsseldorf, Germany |
| Venue | Rochusclub Düsseldorfer Tennisclub |
| Category | ILTF (1914-1972) WTA Tour (1973) ILTF Independent Tour (1974) |
| Surface | Clay / outdoor |
The Düsseldorf Open was a women's clay court tennis tournament founded as a combined men's and women's tournament in 1905 called the Düsseldorf International or Internationale Düsseldorf. It remained a joint event until 1969 and was held annually at the Rochusclub Düsseldorfer Tennisclub in Düsseldorf, Germany until 1974.