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MELBOURNE, AUSTRALIA - JANUARY 21: Novak Djokovic of Serbia plays a shotÊin his fourth round match against Daniil Medvedev of RussiaÊduring day eight of the 2019 Australian Open at Melbourne Park on January 21, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 21: Novak Djokovic of Serbia plays a shotÊin his fourth round match against Daniil Medvedev of RussiaÊduring day eight of the 2019 Australian Open at Melbourne Park on January 21, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
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Getty Images Sport Scott Barbour