Roger Federer announces retirement; 20-time Grand Slam champion will

Roger Federer is retiring from professional tennis at age 41 after a series of knee operations, closing a

"As many of you know, the past three years have presented me with challenges in the form

But I also know my body's capacities and limits, and its message to me lately has been

Tennis has treated me more generously than I ever would have dreamt, and now I must recognize

Federer said he intends to keep playing tennis, "but just not in Grand Slams or on the

But he had appeared at an event marking the 100th anniversary of Centre Court at the All

" He also had said he would return to tournament action at the Swiss Indoors in October

"This is a bittersweet decision, because I will miss everything the tour has given me," Federer said

It's a sad day for me personally and for sports around the world

We will have many more moments to share together in the future, there are still lots of

For now, I truly wish you all the happiness with your wife, Mirka, your kids, your family

Federer, Nadal, Djokovic and Andy Murray are set to play together for the first time when they

Tony Godsick, Federer's agent since 2005, told The Associated Press that Federer had been having issues in his

Federer leaves with 103 tour-level titles on his substantial résumé and 1,251 wins in singles matches, both second

1 in ATP rankings history -- he returned to the top spot at 36 in 2018 -- and most consecutive

"He has had a historic career with memories that will live on and on

His 2009 trophy at Roland Garros allowed Federer to complete a career Grand Slam

"I was lucky enough to play so many epic matches that I will never forget," Federer said

Addressing his "competitors on the court," although not by name, he wrote: "We pushed each other, and

Federer and his wife, Mirka -- a tennis player too; they met as athletes at an Olympics

"I wanted to find the perfect way to say this, as you so eloquently put this game

I applaud you and look forward to all that you do in the future