The eighth-seeded Nishikori appeared to be struggling with a wrist injury on Saturday and also had treatment on his back shortly before rain stopped play, with the Japanese player 3-0 down in the third set.
It was the first time in the Open era that two Asian men had met as late as the third round in a Grand Slam tournament, and Chung was bidding to become the first South Korean to reach the fourth round at Roland Garros.
"Each match, I feel like I played better", he said. Last year's runner-up put forth his second consecutive brilliant performance on Monday in Paris, dropping just seven second-serve points in a decisive 6-3, 6-4, 6-4 victory over first-rime Grand Slam quarterfinalist Karen Khachanov.
"I'm sure he's going to be as motivated as ever, so I expect him to come out and really play his best", said Djokovic, who has won all five matches, and 11 of 12 sets, he's played against Thiem.
The Japanese star recovered from a terrible start to beat veteran Spaniard Fernando Verdasco 0-6, 6-4, 6-4, 6-0 in the French Open fourth round to reach a seventh Grand Slam quarter-final. In the women's draw, Simona Halep kept her first Grand Slam hopes alive while Carolina Garcia won her all-French grudge match with Alize Cornet.
That match lasted almost four hours and also saw Nishikori drop a set to love. "That helped me a lot".
White House says travel ban is 'fully lawful'
Unlike other courts in the past, the three judges on the 9th Circuit did not dwell on Trump's public comments. ABC News' Kate Shaw explains , however, how the 9th Circuit decision complicates the case against the ban.
Twins draft California prep shortstop Royce Lewis at No. 1
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