The six months off, however, appeared to be positively cathartic as he provided arguably the major talking point of the tennis circuit by reviving a career that pundits thought could be over with the injury.
Sloane Stephens said she is ready to turn the page on a disappointing 2019 and shift her focus to climbing the world tennis rankings to qualify for next year's Tokyo Olympics.
Two-time Grand Slam winner Victoria Azarenka crashed out of the French Open in the first round losing 5-7, 5-7 to Katerina Siniakova on Monday, playing only her fifth tournament of the year after a legal battle over the custody of her son.
Former champion Stan Wawrinka battled past Russian fourth seed Daniil Medvedev in five sets to reach the Australian Open quarter-finals with a 6-2, 2-6, 4-6, 7-6(2), 6-2 victory. Fifth seed Dominic Thiem kept his flawless record against Gael Monfils intact with a trouble-free 6-2, 6-4, 6-4 victory on Monday to reach his maiden Australian Open quarter-final.
Seven-time champion Serena Williams endured an unlikely scrap in her Wimbledon opener and will look to shake off more rust in the second round on Thursday when she faces another qualifier in 18-year-old Kaja Juvan.
Second seed Novak Djokovic complained of a "hole" on Centre Court at Wimbledon after beating Adrian Mannarino in his delayed fourth-round match on Tuesday.
The Russian five-times Grand Slam champion struggled for rhythm initially on the low-bouncing grasscourt at the Mallorca Open but picked up the pace to beat Viktoria Kuzmova 7-6(8), 6-0.
Images from Day 3 of the 2020 French Open at Roland Garros, in Paris, on Tuesday.
Tournament favourite Novak Djokovic beat Finnish veteran Jarkko Nieminen 6-2, 7-5, 6-2 on Tuesday, kicking off his quest for a first ever Paris trophy to add to his eight other Grand Slams.
Karolina Pliskova lost her cool over a line call and bashed a hole into the umpire's chair with her racket after suffering a 3-6, 6-3, 7-5 defeat by Maria Sakkari in the Italian Open second round on Wednesday.
'He is defying all the logic and that is something that I totally love.' 'I hate following the norm, and he is someone that is breaking all those barriers on a daily basis so I have a huge respect for him.'
Wimbledon's genteel surrounds resembled Saturday night on a casualty ward as injuries saw seven players withdraw or retire and third seed Maria Sharapova stumble to a shock second-round defeat on Wednesday.
Images from Day 3 of the 2020 US Open in New York, on Wednesday.
IMAGES from matches on Day 8 at the French Open
Roger Federer handed Nick Kyrgios a 6-4 6-1 7-5 tennis masterclass by storming into the fourth round of the U.S. Open on Saturday with a ruthless display that left the Australian talking to himself and waving the white flag.
The post-match press conference can be the bane of a player's life, especially when they have lost, but Roger Federer has found a way to use them to his advantage.
Images from Day 6 of the French Open in Paris on Friday.
Roger Federer has now won all the seven finals he has contested in Cincinnati. Rediff.com takes a look at a few other events that have ensured prolific returns for the Swiss master.
Nick Kyrgios clinched his maiden tour title on home soil in a big confidence boost ahead of the Australian Open, beating Ryan Harrison 6-4, 6-2 in the Brisbane International final.
Roared on by 17,000 partisan fans Novak Djokovic fired Serbia ahead in the Davis Cup final on Friday but Tomas Berdych hit back for the Czech Republic to leave the tie delicately poised going into the weekend.
Somdev Devverman kept India's hopes alive in the Davis Cup World Group play-off tie with a 7-6, 6-4, 6-3 victory over Jiri Vesely of the Czech Republic, in Delhi, on Friday.
'You don't peak every week. One has to keep playing.' 'It's a sport where you have to play at least 25, 30 weeks a year.' 'You have to keep your head down and go with the flow.'
Holder Serena Williams survived her toughest challenge yet at this year's French Open as she battled into the fourth round with a 6-4, 7-6(10) win over Frenchwoman Kristina Mladenovic in a rain-disrupted match on Saturday.
World No 1 Serena Williams kept her Wimbledon title defence on track on Sunday, downing Germany's Annika Beck 6-3, 6-0 with a crushing display of power and booming serves.