In the last 5 years, Federer has had a number of injuries that appear to be coming at a greater frequency.
His best chance is Wimbledon 2020 where he has the best record and the others have a more spotty record.
https://edition.cnn.com/2020/02/20/tenn ... index.html
Roger Federer pulls out of French Open after knee surgery
By Ben Morse, CNN
Federer will also miss a number of big tournaments before the Roland Garros event but is hopeful of returning in time for the grass court season later in the year.
"My right knee has been bothering me for a little while. I hoped it would go away, but after an examination, and discussion with my team, I decided to have arthroscopic surgery in Switzerland yesterday," Federer said.
"After the procedure, the doctors confirmed that it was the right thing to have done and are very confident of a full recovery. As a result, I will unfortunately have to miss Dubai, Indian Wells, Bogota, Miami and the French Open. I am grateful for everyone's support.
"I can't wait to be back playing again soon, see you on the grass!"
The 20-time grand slam winner showed signs of injury during his last appearance at a grand slam at this year's Australian Open in January.
He struggled with a groin injury during his monster quarterfinal against Tennys Sandgren and required off-court treatment during his straight-sets semifinal defeat by eventual champion Novak Djokovic. ...