The Zurich Open is a WTA Tour affiliated professional tennis tournament for women, held every winter in Zurich, Switzerland. It was classified on the WTA Tour as a Tier I tournament from 1993, until 2007. From 2008 it is Tier II tournament.
The Zurich Open is held at the Hallenstadion, a multifunctional sports arena. It takes 150 specialist workers and 300 tonnes of material to prepare the Hallenstadion into the Zurich Open tennis venue. The event has two tennis courts available for tournament play. Past champions of the tournament include current world number one Justine Henin, former world number ones Lindsay Davenport, Martina Hingis, Venus Williams and Maria Sharapova. The famous swiss miss Patty Schnyder is also another champ in Zurich. The defending champion is Justine Henin.
