Roger Federer to have knee surgery, has 'glimmer of hope' for return | Tennis News - Hindustan Times
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Roger Federer ruled out of French Open as doubts swirl again over future | Roger Federer | The Guardian
![Tennis news - Roger Federer's knee surgery shows time is running out for 20-time Grand Slam champion - Eurosport Tennis news - Roger Federer's knee surgery shows time is running out for 20-time Grand Slam champion - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1400x301:1402x299)/origin-imgresizer.eurosport.com/2021/08/13/3200618-65567628-2560-1440.jpg)
Tennis news - Roger Federer's knee surgery shows time is running out for 20-time Grand Slam champion - Eurosport
![AusOpen on Twitter: "The last time Roger Federer underwent arthroscopic knee surgery, he went on to win #AusOpen 2017. More: https://t.co/jCRrgDGQf5 https://t.co/gPicSi6Obt" / Twitter AusOpen on Twitter: "The last time Roger Federer underwent arthroscopic knee surgery, he went on to win #AusOpen 2017. More: https://t.co/jCRrgDGQf5 https://t.co/gPicSi6Obt" / Twitter](https://pbs.twimg.com/media/ERQZvzTUUAAJPY1.jpg:large)
AusOpen on Twitter: "The last time Roger Federer underwent arthroscopic knee surgery, he went on to win #AusOpen 2017. More: https://t.co/jCRrgDGQf5 https://t.co/gPicSi6Obt" / Twitter
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