Canadian Open champion Shelton was locked in an entertaining contest with Frenchman Adrian Mannarino in the day's opening match on Louis Armstrong Stadium when his tournament suddenly unravelled.
Fears that Rafael Nadak may miss the French Open grew after he pulled out of this week's Italian Open.
Given that Twelve Final Days doesn't really delve into the genesis of Roger Federer, the ups and downs of his career, the assumption is that it is meant for people who are already familiar with his work, observes Deepti Patwardhan.
The 23-year-old has dropped 17 games in his three matches at an average of less than two per set, in an ominous warning to his rivals for the title.
Roger Federer celebrated his 33rd birthday with a 6-3, 4-6, 6-3 win over Spaniard David Ferrer on Friday to move into the semi-finals of the Rogers Cup and a step closer to a landmark 80th career title.
'I believe that tennis or every sport needs rivalries. This could be potentially one of them, but there are amazing players coming up.'
'I've seen Federer and Nadal and they played a couple of good finals but nothing comes close to this.'
Novak Djokovic battled from a set down to clinch his 100th tour-level title by beating Polish sixth seed Hubert Hurkacz 5-7, 7-6(2), 7-6(2) at the Geneva Open on Saturday.
'After two knee operations and more than a year of rehabilitation, it's important that I listen to my body and not rush back into competition.'
French Open champion Gauff is in line for a clash with fellow American Jessica Pegula.
Roger Federer will kickstart his claycourt campaign at next month's Geneva Open as he steps up his preparations for the French Open.
Sinner prepares for sleepless night after dramatic loss to Alcaraz at French Open
Novak Djokovic will have old rival Andy Murray back in his coaching corner as he attempts to win the Indian Wells title for the first time in almost a decade.
The 20-time Grand Slam champion was stopped by a security guard for not carrying his membership card.
'My family and I are horrified seeing pictures from Ukraine and heartbroken for the innocent people who have been so terribly affected. We stand for peace.'
Frenchman Jo-Wilfried Tsonga had one more surprise in his bag of upsets, beating second seeded Roger Federer 7-5, 7-6 (3) to cap a scintillating march to the Rogers Cup title on Sunday.
Sitting courtside, Rafael Nadal cried as his great rival, Roger Federer, bid an emotional farewell to tennis at the Laver Cup on Friday, later saying an important part of him was also leaving the men's Tour with the retirement of the Swiss.
Roger Federer may have been one of the sporting world's great communicators over the last two decades but the Swiss confessed he had been dreading being handed a microphone after his glorious career came to a close at the Laver Cup on Friday.
On Monday, the Polish eighth seed found her grasscourt wings to fly into the Wimbledon quarter-finals with a soaring 6-4, 6-1 victory over Danish 23rd seed Clara Tauson.
'Rafael Nadal withdrew for personal reasons'
Roger Federer saw his men's record haul of 20 Grand Slam singles titles matched by Rafael Nadal on Sunday and the Swiss great was quick to offer his congratulations to the Spaniard.
Carlos Alcaraz said he could hold his head high despite being unseated from his Wimbledon throne by Jannik Sinner on Sunday and the Spaniard praised their hot rivalry for being several notches higher than the others on the men's tour.
It was third time lucky for Tsitsipas who had twice lost in the Dubai final, against Roger Federer in 2019 and Novak Djokovic a year later.
Roger Federer is unlikely to play this year's Wimbledon as the Swiss great continues to recover from knee surgery, his coach Severin Luthi was quoted as saying in a Swiss newspaper.
Seven-times champion Novak Djokovic scored his 100th match win at Wimbledon and led the march of the old guard into the last 16 on Saturday while an ailing Barbora Krejcikova's title defence ended in defeat and tears.
Novak Djokovic admitted reality was beginning to bite after the Serb was unable to bridge a 15-year age gap in a Wimbledon semi-final drubbing against Italian Jannik Sinner on Friday.
Eyeing a sixth Grand Slam title, the Spaniard was eventually too strong for the metronomically consistent Fritz, whose biggest weapons were still not damaging enough to unsettle the second seed under a fiery sun on Centre Court.
Federer's kids give dad competition with the attention
The last time the Swiss maestro was this far down in the ATP rankings was all the way back on January 2001, when Federer was just 19 years old. Notably, he was yet to win his first tour title.
Kubica won the race in his fifth attempt, his first three in the second tier LMP2 category, to become Poland's first overall winner since Le Mans was first staged in 1923.
Swiss great Roger Federer said he has faced no setbacks and is recovering well after his latest knee operation.
Alexander Zverev will be third seed for the French Open but the 28-year-old German's prospects of winning his first Grand Slam title in Paris are not looking especially bright.
'It was very evident when we watched you play and the aura you brought on court is unmatchable.' 'And for me, you're always going to be the greatest of all time.'
Djokovic has spent more than 400 weeks at number one and now sits fifth in the rankings
'It's a different surface and I've not had much time to get used to this tournament so my expectations aren't that high.'
The 20-times Grand Slam champion is putting various items under the hammer in two sales in June and July at Christie's to raise money for his foundation.
Federer, a 20-times Grand Slam champion and regarded as one of the greatest players of all time, announced last week that a persistent knee injury meant he was ending his 24-year career.
The 20-time Grand Slam champion is yet to clarify his schedule for next year but has committed to playing the Australian Open.
Roger Federer made a winning return to the grass courts
Obviously there is a void that will never be filled, McEnroe told reporters