"@andyroddick I shed a tear for you. Thank you for all the years of commitment to excellence. Going to miss it."

Tiger Woods, US golf star

"Andy, my friend - you are a winner. Life goes on. Live it to the fullest."

Jimmy Connors, former world No 1 tennis player of US

"@andyroddick I miss my friend already."

Serena Williams, US women's tennis star

"Thanks @andyroddick for being the face of USA #tennis. Love you. Good luck with your next chapter!"

Billie Jean King, former US tennis player

"That speech from @andyroddick reminded me of the farewell that Agassi gave several years ago. He gave it all at all times."

Nick Bollettieri, tennis coaching guru

"World No 1, Davis Cup Winner, nine years in a row top 10, 32 ATP titles, Grand Slam Champion. @andyroddick So much #RESPECT."

Janko Tipsarevic, Serbian player who is ranked No 9

"American tennis is losing one of its greatest champions and faces of the sport today. Best of luck to @andyroddick in the next chapter!"

Lisa Raymond, US women's player

"In tears listening to @andyroddick right now...what an unbelieble career and personality"

Gisela Dulko, Argentina women's player

"Congratulation @andyroddick for your great career and for the great person you've been during the tour!"

Juan Monaco, Argentina player who is ranked No 11

China Daily

(China Daily 09/07/2012 page22)