Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The Grand Slam tournament in Düsseldorf is a judo tournament in Düsseldorf. It is the only Judo Grand Slam tournament in Germany.
The Grand Prix tournament was held in Düsseldorf for the first time in 2010; it was the successor tournament to the Hamburg Grand Prix tournament. In 2018 the event was upgraded to a Grand Slam competition. There was no Grand Slam tournament in Düsseldorf in 2021 due to the COVID-19 pandemic. In 2022, the event was planned for June, but was canceled early.