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BIRMINGHAM, ENGLAND - JUNE 16: Madison Keys of United States plays a forehand during her women's singles second round match against Tamira Paszek of Austria on day four of the WTA Aegon Classic at Edgbaston Priory Club on June 16, 2016 in Birmingham, England. (Photo by Steve Bardens/Getty Images for LTA)

BIRMINGHAM, ENGLAND - JUNE 16: Madison Keys of United States plays a forehand during her women's singles second round match against Tamira Paszek of Austria on day four of the WTA Aegon Classic at Edgbaston Priory Club on June 16, 2016 in Birmingham, England. (Photo by Steve Bardens/Getty Images for LTA)