It was Federer who blinked, double-faulting to face a break point at 11-all, then slapping a forehand into the net.
The Serbian beat Kei Nishikori 6-3 3-6 6-2 6-2 to reach his first semi-final at any of the four majors since the US Open in 2016.
Novak Djokovic is in his first semifinals of a Grand Slam in just under two years, but is angry at just about everything.
But the 31-year-old wasn't happy with Carlos Ramos, accusing the the Spanish official of "double standards" during an ongoing battle in the two-hour, 35-minute encounter.
"I think the first warning was unnecessary", said Djokovic, who was sanctioned in the second set for spearing his racquet into the court.
"I didn't harm the grass, I know how I threw the racket".
Some of his returning, particularly during a rally in the fourth game of the first set where he was slipping and sliding across the grass like Jayne Torvill, was simply jaw-dropping.
Djokovic was seen engaged in a heated discussion with the umpire in the aftermath of the warning and it is fair to say some of his comments and complaints have left a sour taste in the mouth of some Wimbledon punters over the course of the championships. "In the midst of emotions in a tough match, it happens". Federer's tweener against Djokovic in the 2009 US Open final remains an iconic shot.
Trump sees Putin meeting as easiest of tour He has often been criticized for being too soft on Putin, whom many view as a repressive leader and enemy of the US. Similarly, earlier on Tuesday the president tweeted , "Getting ready to leave for Europe ".
"It feels great to be in the last four of a Slam". "I've been building the last couple of weeks on the level of tennis I've played in the last couple of months".
"It took me two or three months and that was frustrating that I wasn't able to perform the game that I was used to and the level of tennis I wanted to play".
It was on Djokovic's serve and 0-40 down, he slowed things up, taking on average 29 seconds to serve, and saved all three break points before closing out the game.
"I just think it's really pathetic".
For the only the second time at Wimbledon, Federer was beaten after holding a two-set lead, with his previous loss from that position coming against Jo-Wilfried Tsonga in the 2011 quarterfinals. "The big challenge for me after surgery was to be comfortable with the change of racquet, and the different compensations that I made in the motion of my serve", said the Serb, who asked for some modifications to be made to his Head Graphene Touch.
He will surely pose a threat for the 12-seed Djokovic.
It is Djokovic's first appearance in the semi-finals at the All England Club since 2015 - when he last won the title - and he revealed his motivation is fully back as he chases Grand Slam title No. 13.
Commenters on Twitter were hard-pressed not to see his behavior with the queen and Prime Minister Theresa May as misogynistic. The comments came on the second day of Mr Trump's working visit to Britain.
But the report said it found no evidence of political bias in the FBI's decision to not pursue criminal charges against Clinton. The hearing was often raucous and seemed at times more like a TV comedy about Congress than a real committee hearing.
On a side table next to him were his favorite snacks: Doritos, a box of Chocolate Chip Crunch, and a bottle of soda. Renard Matthews died last month in a shooting with police finding him with gunshot wound to his head.
Jason Kay, 49, also from Coventry, simply added: "See you in four years' time". "It would have been so incredible to win the cup". Croatia have qualified for the World Cup final , the first in their history with an extra-time win over England .
Just as the Supreme Court overturned the Dred Scott and Plessy decisions, the high court should overturn Roe v. Hogue cited a recent Pew poll showing that 7 in 10 Americans do not support "completely" overturning Roe v.
Marin Cilic beat Sam Querrey in that 2012 third-round match. "I don't really know what to say right now", Anderson said. Anderson fell to his backside trying to return an Isner serve, but got to his feet with his racket in his off hand.
England's hopes of winning a first World Cup since 1966 may be over but Southgate is pleased with the progress that has been made. On Wednesday, Croatia defeated England 2-1 in a semi-final match and for the first time reached the World Cup final.
There is speculation that North Korea may also want payment for the return of the remains, our correspondent adds. South Korea's Yonhap news agency, citing unnamed sources, said the North requested talks at a higher level.
On New Year's Day, a USA soldier was killed and four others wounded in combat operations in the eastern province of Nangarhar. The last insider attack that resulted in a US casualty occurred in June 2017, according to NATO Resolute Support officials.
Manafort Comapres Jail to VIP Treatment, Prosecutors Say
Manafort faces charges of tax fraud, bank fraud, money laundering, witness tampering and failing to register as a foreign agent. Hull said that when jail officials learned Manafort was communicating by email, his attorneys were told to stop the practice.
France advance to 2018 World Cup final
Liverpool legend Robbie Fowler understands why so many in the current England squad are huge fans of manager Gareth Southgate . The way we train during the week is fantastic, always with high-intensity, everyone pushing each other.
US planning tariffs on another $200B in Chinese imports
The administration said the new levies are a response to China's decision to retaliate against the first round of USA tariffs. The extra taxes were announced after Beijing immediately responded with its own tariffs of $34 billion on USA products.
Croatia ends Russia's run, advances to semifinals
The Russian Prime Minister Dmitry Medvedev, who attended the game, called it "the best match in the history of the national team". Players like Andrei Arshavin and Roman Pavlyuchenko struggled to apply their obvious talent in Europe's biggest leagues.
'Ant-Man & the Wasp' Dominates Weekend Box Office!
The Benicio Del Toro and Josh Brolin-led sequel picked up another US$7.6 million, taking the domestic tally to US$35 million. At the specialty box office, Roadside Attractions and Miramax's " Whitney " bowed with $1.3 million from 452 locations.