Jan 22 - Highlights of the fifth day at the Australian Open on Thursday (times GMT):

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The main showcase courts at Melbourne Park are buzzing on Thursday with defending champion Italian Jannik Sinner set to continue his bid for a third Australian Open title against local contender James Duckworth on Rod Laver Arena, while 10-time winner Novak Djokovic of Serbia meets Italian Francesco Maestrelli earlier in the day.