[2] The men's and women's tennis matches are played on grass courts at the Autotron convention center.

[4] In 1989 a two-group round robin invitational tournament with eight players was organized in Rosmalen which was won by Miloslav Mečíř.

The next year, 1990, the tournament became part of the newly founded ATP Tour and was officially called the Continental Grass Court Championships.

At the time of its founding it was the only grass court event held in continental Europe.

In 1996, a women's singles and doubles event dubbed Wilkinson Championships was added to the tournament.