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The Warsaw Open, formerly the J&S Cup, was a tennis tournament on the WTA Tour held in Warsaw, Poland. Held since 1995, the tournament was played on outdoor clay courts. The event returned for 2 years to the WTA Tour in 2009 after a year's hiatus but its slot on the tour calendar was taken over by the Brussels Open from 2011.
|Polsat Warsaw Open|
|Venue||Legia Tennis Centre|
|Surface||Clay / Outdoors|