Roger Federer Retirement: Who's Saying What

Roger Federer's decision to retire provoked an emotional reaction from current and former tennis players as well as stars in other sports. AFP Sport looks at some of the tributes to the 20-time Grand Slam champion:

"Dear Roger, my friend and rival, I wish this day would never have come. It's been a pleasure but also an honour and privilege to share all these years with you, living so many amazing moments on and off the court."

-- Rafael Nadal on Twitter.

"I LOVE YOU, Roger. Thank you for everything you've done in tennis and with myself. Tennis world will never be the same without you."

-- Juan Marin del Potro, who retired earlier this year.

"Cheers Roger. Thanks for the shared memories my friend. It was an honour to share time/experiences on the most hallowed grounds in our sport. Don't be a stranger... Also, seems like a good time to start training for Wimby."

-- Andy Roddick, who lost to Federer in three finals at Wimbledon and one at the US Open.

"Absolute living legend. Thanks for all the countless memories."

-- John Isner.

"Roger has been one of my idols and a source of inspiration! Thank you for everything you have done for our sport! I still want to play with you! Wish you all the luck in the world for what comes next!"

-- World number one Carlos Alcaraz.

"A role model for me and so many others!!... It's been a privilege to share the court with you!!"

-- Canada's Denis Shapovalov.

"Thank you for elevating the game in so many ways on and off the court. Thank you for all the advice you've given me over the years. Thank you for being the best role model for so many. Thank you for everything."

-- American prodigy Coco Gauff.

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