The 21-time Grand Slam winner rattled off 16 of the next 19 games as he claimed the 6-2, 6-1, 6-2 victory in two hours and six minutes.
“(Alex de Minaur) is getting bullied around the tennis court,” Roger Rasheed said on SEN.
“This is as good as I’ve seen him move (this tournament).”
Sportsbet’s Sam Phillips wrote: “If I’m Demon here I’m “straining” my back + pulling the pin asap. Proper humiliation, unfortunately.”
The Serbian superstar was just as ruthless post-game as he was during the action.
Jim Courier asked him with his opening question: “I’m not going to ask you how you beat him so convincingly. I’ll ask you why you beat him so convincingly.”
A cold-blooded Djokovic responded: “Because I wanted to.”
After being asked how his injury was and how it had plagued him throughout the contest, he said the concerns weren’t with him on Monday night.
“Tonight it wasn’t obvious I was dealing with an injury. I mean ...I didn’t feel anything today,” he said.
“Today was great. I thank my medical team, my physio. Thank God anybody that really helped me.”
Djokovic will now take on Russian Andrey Rublev in the quarterfinals after his stunning five-set thriller against Holger Rune.
The three other quarterfinal contests will see Karen Khachanov take on Sebastian Korda, Stefanos Tsitsipas take on Jiri Lehecka and Ben Shelton square off against Tommy Paul.