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MELBOURNE, AUSTRALIA - JANUARY 21: Karolina Pliskova of the Czech Republic plays a forehand in her second round match against Julia Goerges of Germany during day four of the 2016 Australian Open at Melbourne Park on January 21, 2016 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 21:  Karolina Pliskova of the Czech Republic plays a forehand in her second round match against Julia Goerges of Germany during day four of the 2016 Australian Open at Melbourne Park on January 21, 2016 in Melbourne, Australia.  (Photo by Quinn Rooney/Getty Images)