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BRISBANE, AUSTRALIA - JANUARY 07: Maria Sharapova of Russia plays a forehand in her match against Jennifer Brady of the United States during day two of the 2020 Brisbane International at Pat Rafter Arena on January 07, 2020 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

BRISBANE, AUSTRALIA - JANUARY 07: Maria Sharapova of Russia plays a forehand in her match against Jennifer Brady of the United States during day two of the 2020 Brisbane International at Pat Rafter Arena on January 07, 2020 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

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BRISBANE, AUSTRALIA - JANUARY 07: Jennifer Brady of the United States celebrates a point in her match against Maria Sharapova of Russia during day two of the 2020 Brisbane International at Pat Rafter Arena on January 07, 2020 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

BRISBANE, AUSTRALIA - JANUARY 07: Jennifer Brady of the United States celebrates a point in her match against Maria Sharapova of Russia during day two of the 2020 Brisbane International at Pat Rafter Arena on January 07, 2020 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

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MELBOURNE, AUSTRALIA - JANUARY 26: Maria Sharapova of Russia plays a forehand in her quarter final match against Serena Williams of the United States during day nine of the 2016 Australian Open at Melbourne Park on January 26, 2016 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 26:  Maria Sharapova of Russia plays a forehand in her quarter final match against Serena Williams of the United States during day nine of the 2016 Australian Open at Melbourne Park on January 26, 2016 in Melbourne, Australia.  (Photo by Quinn Rooney/Getty Images)

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BRISBANE, AUSTRALIA - JANUARY 03: Maria Sharapova of Russia plays a forehand in her match against Serena Williams of the USA during day six of the 2014 Brisbane International at Queensland Tennis Centre on January 3, 2014 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)

BRISBANE, AUSTRALIA - JANUARY 03:  Maria Sharapova of Russia plays a forehand in her match against Serena Williams of the USA during day six of the 2014 Brisbane International at Queensland Tennis Centre on January 3, 2014 in Brisbane, Australia.  (Photo by Chris Hyde/Getty Images)

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BRISBANE, AUSTRALIA - JANUARY 08: Maria Sharapova of Russia plays a forehand in her match against Carla Suarez Navarro of Spain during day five of the 2015 Brisbane International at Pat Rafter Arena on January 8, 2015 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)

BRISBANE, AUSTRALIA - JANUARY 08:  Maria Sharapova of Russia plays a forehand in her match against Carla Suarez Navarro of Spain during day five of the 2015 Brisbane International at Pat Rafter Arena on January 8, 2015 in Brisbane, Australia.  (Photo by Bradley Kanaris/Getty Images)