However since then, the 2.03m-tall Anderson has improved markedly and Wednesday's match will be their first meeting on grass. I gave it my all.
Novak Djokovic celebrates his win over Kei Nishikori at Wimbledon on July 11.
Like Nadal, who could strike Djokovic in the semis, Federer hasn't dropped during his charge to a 16th Wimbledon quarter-final, nearly surely a staggering record that will never be surpassed.
Rafael Nadal is in the quarterfinals at Wimbledon for the first time since 2011.
"Do you think I ruined the court?" he bellowed at Ramos.
The three-time Wimbledon champion was broken in the opening game of the fourth set, but won the next four games and broke again to clinch victory.
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France's goalkeeper also made two key saves to add to some similar heroics in the previous rounds but looked to play down his individual performance.
Nadal faces the victor of Juan Martin del Potro and Gilles Simon while Federer takes on US Open finalist Kevin Anderson in the quarterfinals.
The big-server sounds confident ahead of the big quarter-final: "I'm going to have to really take it to him, also at the same time try to treat it like another tennis match".
Anderson will now move into his first semi-finals at the tournament; taking on the victor of John Isner and Milos Raonic for a place in a final against what may be Rafa Nadal or Novak Djokovic. But I also have a feeling, it was a feeling of mine, you know, not getting it right.
Meanwhile, Novak Djokovic shrugged off a second-set slump to reach a Grand Slam semifinal for the first time since 2016 by beating Kei Nishikori 6-3, 3-6, 6-2, 6-2.
But the 32-year-old Anderson refocused in the second set to end the Swiss star's streak of consecutive games won on serve at 85 as he raced into a 3-0 lead before Federer quickly hit back to win the next three.
Federer eventually stemmed the tide with a love hold, and the set was back on serve when Anderson failed to clear the tape with a forehand after saving two break points.
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She added that she is flying back to Croatia and would be watching the game as part of a joint birthday football celebration. Nick Colgan, originally from South Yardley in Birmingham, has lived in the country for the past 15 years.
He said: "It was quite a odd feeling for me not to be able to deliver my game that I know I possess, that I know I've been delivering for so many years".
The eight-time champion earned his latest win with maximum efficiency on Centre Court, particularly during a 16-minute first set, where the top-seeded Federer lost just five points.
Federer, playing in the unfamiliar surroundings of Court One for the first time in three years, oozed confidence as early as the opening game when he broke Anderson's huge serve easily and then again in the ninth game before serving out the set in 26 minutes.
Defending champion Federer will play in the unfamiliar surroundings of Wimbledon's No. 1 Court as he takes on eighth-seeded Kevin Anderson. Anderson went on to close out the set, before comfortably clinching the next one too.
He had headed to London on the back of some commendable performances at Rome Masters and more recently, Queen's where he reached the final.
The great players find a way to win even when they are not playing their best but for once Federer could not do it.
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The fight then escalated from there as Ragin allegedly punched Jones before the former Bengals cornerback defended himself. Both Jones and his friend declined medical treatment, but Ragin was taken to a hospital to be treated for his injuries.