- Roger Federer eased past Nick Kyrgios 6-4, 6-1, 7-5 in a match which included an unlikely forehand, flicked from near the ground around the net post that Kyrgios couldn't believe.
"These shots can only really happen on a big court where you play with the single posts in the doubles alley". "It was nearly unreal. I actually didn't think I was going to get it".
Oliver Brown: Roger Federer with one of the shots of this or any other year.
"For a shot like this to happen in a practice, you will will be running into a fence and you will hit it into the net".
'I think there is a lot more things to explore.
Early on, tensions ran high for Kyrgios, who was overheard berating his camp, which appeared to be encouraging him to get in his first serve.
Kyrgios could only laugh and shake his head as the journalist continued to press him on exactly what he said.
Afterward, Kyrgios said he was frustrated about not capitalizing on his chances.
After the loss, Kyrgios was asked what he could learn from the example the 37-year-old had set throughout his career. "Played a awful service game". F***ing "first serve, first serve, first serve'". Just it was tough. I know it's about warming up the shoulder. "He has my respect", said the Slovakian who made the last 16 on Saturday by knocking out Wimbledon champion Angelique Kerber.More news: Astronauts tackle air leak on International Space Station
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Having done well to match Federer on serve early on, Kyrgios piled on the pressure during a marathon seventh game to earn four break points.
Keys looked out of sorts in the first set but she was resilient the rest of the way and won 12 of the last 15 games.
"Doesn't take a rocket scientist to figure that out".
Federer's reward was a very winnable-looking fourth-round match against another Australian - the less gifted but more focused John Millman.
Federer then survived a fourth break point before eventually winning the game when Kyrgios hit the ball wide.
After announcing his arrival on the worldwide stage with a spectacular centre-court ambush of world No.1 Rafael Nadal at Wimbledon in 2014, Kyrgios has just two grand slam quarter-final appearances, plus four ATP titles, on his CV. He'll face 68th-ranked Joao Sousa of Portugal in the fourth round Monday.
There was also a classic Federer moment in the third set when he pulled off an audacious shot around the net instead of over it. Kohlschreiber now meets 2014 runner-up Kei Nishikori, who got past No. 13 Diego Schwartzman 6-4, 6-4, 5-7, 6-1.
Their blockbuster third round match failed to live up to the hype on Sunday morning as Kyrgios failed to lift for the occasion and was outclassed on Arthur Ashe Arena 6-4 6-1 7-5.
Information from The Associated Press was used in this report.