World No.1 Novak Djokovic is safely through to the Australian Open fourth round after seeing off young Canadian Denis Shapovalov.
After a third-set blip Djokovic overcame the 19-year-old 25th seed 6-3 6-4 4-6 6-0 in their Saturday afternoon clash on Rod Laver Arena.
The top seed next takes on Russian Daniil Medvedev, who earlier accounted for Belgian David Goffin in straight sets.