Kerber will now play in the fourth round with either Agnieszka Radwanska or Hsieh Su-wei.
It looked like a quick outing for the fourth seed Alexander Zverev after winning the first set 6-1 but things changed after that.
To rub salt in the wounds, it was a Zverev family double for Chung who eliminated older brother Mischa in the first round of the tournament.
Djokovic who celebrated by rocking out to ACDC as it played over the PA system on Margaret Court Arena added: "Everyone loves ACDC, they're immortal, one of the best bands ever".
Halep allayed fears over the ankle injury she suffered in the opening round with a convincing 6-2 6-2 victory over Canadian Eugenie Bouchard. "But there is a limit of being fit to play and being, I think, in danger to your health".
Former world number one Pliskova was among those to move smoothly into the second round, with a steady 6-3, 6-4 win over Veronica Cepede Royg.
However, the numbers did not tell the full story as both players battled extreme heat in Melbourne, the mercury rising to 42 degrees Celsius at times on Rod Laver Arena, conditions they were critical of post-match. So, the re-match may say a lot about the trajectories of both players. "It was brutal for the first hour and a half", said the Serb. I know that matches from this moment onwards will get tougher and tougher.
The first-round upsets included Venus Williams, U.S. Open champion Sloane Stephens and CoCo Vandeweghe, a semifinalist here and at the U.S. Open past year.
Former No. 1-ranked Angelique Kerber, the 2016 Australian Open victor, continued her resurgent run with a 6-0, 6-4 victory over Anna-Lena Friedsam to extend her streak to 10 consecutive victories. Her birthday gift? A blockbuster clash with 2008 victor Maria Sharapova in the next round.
- 15-year-old Marta Kostyuk putting a positive spin on being outclassed by her more-experienced Ukrainian compatriot in 59 minutes.
"Something is going on with Australia and me", Kerber said.
The second seeded Swiss, who is coming off an extraordinary 2017, when he won a fifth Australian Open title and a record eighth at Wimbledon, faces Slovenia's Aljaz Bedene.
"I was watching this tournament with a box of Kleenex next to me sick". "I'm so happy to be playing in Melbourne after many years".