WTA Düsseldorf Open

[1] The combined event was part of the Deutscher Lawn Tennis Bund (f.1902) circuit from inception until 1913.

[1] The women's event remained a part of the ILTF Circuit under the original name Dusseldorf International.

In 1973 the women's event was branded as the Düsseldorf Open and was part of the 1973 WTA Tour for one edition only, before it returned as an event on the ILTF Independent Tour.

The women's event ended in 1974 and the men's tournament was discontinued in 1977.

Its one-year on the WTA Tour saw a home player, Helga Masthoff, winning in the women's singles, whilst she and Heide Orth reached a women's doubles final that was not played.