Djokovic fires up as Sabalenka and Sinner shine at Australian Open

Djokovic fires up as Sabalenka and Sinner shine at Australian Open
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Novak Djokovic reacts after winning his third round; Aryna Sabalenka (C) reacts after a point against Lesia Tsurenko and Sinner (R) serves against Sebastian Baez in Melbourne on Friday. Reuters / AFP