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MELBOURNE, AUSTRALIA - JANUARY 27: Elina Svitolina of the Ukraine and Chris Guccione of Australia compete in their Mixed Doubles Semifinal match against Abigail Spears of the United States and Juan Sebastian Cabal of Columbia on day 12 of the 2017 Australian Open at Melbourne Park on January 27, 2017 in Melbourne, Australia. (Photo by Pat Scala/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 27:  Elina Svitolina of the Ukraine and Chris Guccione of Australia compete in their Mixed Doubles Semifinal match against Abigail Spears of the United States and Juan Sebastian Cabal of Columbia on day 12 of the 2017 Australian Open at Melbourne Park on January 27, 2017 in Melbourne, Australia.  (Photo by Pat Scala/Getty Images)