Federer had already ruthlessly claimed the first set 6-1 and was cruising 5-2 in the second set, when the Korean made a decision to opt out of the game.
The bespectacled 21-year-old had won huge acclaim for becoming his home nation's first ever grand slam semi-finalist, knocking out no less than six-times champion Novak Djokovic during his breathtaking run.
But that incensed the 19-time Grand Slam champion who proceeded to launch into an unusual angry outburst.
Federer, the No. 2 seed, will vie for his 20th Grand Slam title against sixth-seeded Marin Cilic in Sunday's final.
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On Tuesday, a 15-year-old student opened fire at the school, killing two teenagers and wounding several others. I also want to pray for him, too, because I know he's probably having a hard time , too, but he took our baby.
Despite winning the ATP's NextGen Finals a year ago, the world number 58 was virtually unknown in South Korea before gaining superstar status with a run in Melbourne that saw him also oust the Zverev brothers.
But barring his knee injury in 2016, Federer has mostly been in good health in his career and the nature of Friday's tussle means he'll be well rested for his clash with Cilic in a repeat of the Wimbledon final as he bids for a landmark 20th major.
The 58th-ranked Chung will still crack the Top 30, but questions will be raised why he couldn't continue at least another set and finish the match, much like Marin Cilic did in the Wimbledon final.
"From what I've heard, it's blowing up in Korea pretty big", Chung's coach, Neville Godwin, said Thursday at Melbourne Park. He had it shaved off, now it's red raw. "They tried injections to see if it numbed the pain. I think everything is in a good, solid spot".
"I don't want to say I gave up hope but I was going to be happy if I won one more major before I retired - absolutely, I would have taken that". "For me, I was trying to block that away and just play Chung himself". Not under the circumstances I was hoping to or not planning with.
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But after the woman became involved in a serious relationship with someone outside the office previous year , Mr. Jim Lee says the race for Meehan's seat could be one of the most expensive races for this election season.
"'It's like worse than regular blisters", Duguid said. - Federer's set piece - If Federer wins the final in straight sets he will equal Bjorn Borg and Rafael Nadal for most Grand Slam titles at three without dropping a set through the tournament.
Earlier in the day, Hungarian Timea Babos and France's Kristina Mladenovic claimed their first grand slam title together, defeating Russian pair Ekaterina Makarova and Elena Vesnina 6-4 6-3 in the women's doubles final. "Things must be all right if I haven't dropped a set and in the final".
Considered one of his biggest strengths, Cilic needs to make a high percentage of first serves to have any chance.
"I've played with blisters in the past a lot, and it hurts a lot". If I play bad on the court, it's not good for the fans as well.
"I wish all the best luck for @rogerfederer in the finals".
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Trump even offered a reason as to why he shared the posts. "Then here's what's fair", Trump responded. Trump said that he retweeted the videos because he is a "big believer in fighting Islamic terror".
"I played the first set without feeling him having really that many issues, to be quite honest".