Swiss Open (badminton)
The Swiss Open is an annual badminton tournament held in Switzerland since 1955 and become one of the BWF Super Series tournament began 2007. In 2011 the tournament was dropped down to a Grand Prix Gold event.
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Wikipedia
The Swiss Open is an annual badminton tournament held in Switzerland since 1955 and become one of the BWF Super Series tournament began 2007. In 2011 the tournament was dropped down to a Grand Prix Gold event.