Chung showed another sign of his promise by coolly closing out a five-set win over German fourth seed Alexander Zverev, a player many pundits have widely tipped as a future grand slam victor. "I really do believe that I can; otherwise I wouldn't be here".
The evergreen 36-year-old can now look forward to a last-16 meeting against Marton Fucsovics.
Djokovic said the conditions were some of the toughest he has ever played in, and he had some advice for organizers with temperatures predicted to rise to 108 today.
Kerber, who had a shocking 2017, looked at her best for some time as she polished off Sharapova in 64 minutes.
"Novak is physically extraordinary and he has a recovery ability that is unlike mine, probably just because the nature of how his body is made and how efficient he is. I was just more trying to go out on the special court for me and play good tennis".
Djokovic tweaked his service motion while recovering from an injured right elbow, and used it to good effect in a 6-1, 6-2, 6-4 win over Donald Young.
Sharapova, a five-time Grand Slam victor and the 2008 Australian champion, was unstoppable in racing through the first set before a battle in the second.
Aly Raisman Blasts Larry Nassar As Sick And Pathetic
But on Friday, she said she was one of the more than 140 women who was abused by ex-doctor Larry Nassar . "It's delusional. Raisman told Nassar that she will not rest until the sport Gymnastics is cleared of his dirty deeds.
Top seed Simona Halep eased fears over her fitness with a brisk 6-2, 6-2 victory over Canada's Eugenie Bouchard to reach the third round.
In a glamour evening tie, Sharapova was no match for Kerber, flopping 6-1, 6-3.
Sharapova was equally impressive in beating 14th seed Anastasija Sevastova 6-1, 7-6 (7/4) on Rod Laver Arena.
She won every point on her serve in the first set, holding at love in three games.
Kerber will face either 26th seed Agnieszka Radwanska or Hsieh Su-Wei of Taiwan in the next round.
"I only had surgery five months ago", said Wawrinka, who still has a visible scar running down his left knee.
The second game began in the same manner where Kerber ran to a 2-0 lead but Sharapova pulled off a brief fightback and broke back Kerber to make it 1-2.
United States government shutdown begins, so does the finger-pointing
He pointed to statements made by Senate Democratic Leader Chuck Schumer of NY made as the shutdown hour approached Friday night. Schumer then met with House Minority Leader Nancy Pelosi and Senate Democratic Whip Dick Durbin in his office.
Roger Federer plays a backhand in his third-round win over Richard Gasquet.
U.S. Open finalist Madison Keys is through to the fourth round of the Australian Open after starting Saturday's program on Margaret Court Arena with a 6-3, 6-4 win over Ana Bogdan.
"People might say at this level you have to be as a professional tennis player fit. but I think there is a limit and there's a level of tolerance between being fit and being in danger in terms of health".
Although the next set was a "little dicey", as she wobbled when serving for the match at 5-4, Sharapova was glad to beat a hasty retreat from the broiling conditions.
Fourth seed Alexander Zverev was another high-profile casualty on day six, beaten in five sets by South Korea's Chung Hyeon to continue his miserable Grand Slam form.
Cleveland Cavaliers vs. Oklahoma City Thunder - 1/20/18 NBA Pick, Odds, and Prediction
He's repeatedly said he doesn't consider himself a scorer, but rather a playmaker that can put the ball in the hoop when needed. James will join the likes of Kareem Abdul-Jabbar, Kobe Bryant, Karl Malone, Dirk Nowitzki and Michael Jordan in the elite club.
- Chelsea's Victor Moses scores first English Premier League goal of the season
- NKorea cancels visit to prepare for Olympics in South
- Apple vows to contribute $350 billion to U.S. economy, create 20000 jobs
- Dolores O'Riordan: coroner waiting for tests on cause of death
- Trump Got A Perfect Score On A Cognitive Assessment Test
- How to Watch Brighton vs. Chelsea
- President Trump tweets he wants 'merit based' immigration system
- Majority of women don't think Trump is mentally stable
- Pope Francis married two flight attendants in an impromptu mid-air wedding
- Tom Brady's hand was 'bloody mess,' required stiches