Federer into quarters after Fish withdraws
September 3, 2012 -- Updated 2147 GMT (0547 HKT)
Roger Federer is through to the quarterfinals of the U.S. Open after his last 16 opponent, Mardy Fish withdrew
- Five-time U.S. Open champion through to his 34th consecutive Grand Slam quarterfinal
- Fish, who had heart surgery in May withdraws as a precaution after taking medical advice
- Federer to face Tomas Berdych in last eight after Czech beats Spain's Nicolas Almago
(CNN) -- World No.1 Roger Federer progressed to his 34th consecutive Grand Slam quarterfinal without stepping on court on Monday after Mardy Fish withdrew from their last-16 match at the U.S. Open.
Fish, who underwent surgery to correct an irregular heartbeat in May, pulled out on the advice of doctors.
"I regret that I have to withdraw from the US Open for precautionary measures. I was reluctant to do so, but am following medical advisement," the 30-year-old American said.
Jim Courier's U.S. Open tips
"I had a good summer and look forward to resuming my tournament schedule in the fall."
Tennis star launches candy line
Federer, who remains on course for a sixth U.S. Open title, passed on his sympathies to the retiring Fish.
"I am really sorry for Mardy. I just want to wish him a speedy recovery. We all want to see him back on tour soon," Federer said.
Up next for the Swiss maestro will be Tomas Berdych who beat Spain's Nicolas Almago in straight sets 7-6 (7-4) 6-4 6-1 in two hours.
The sixth seed from the Czech Republic does not have a good record against Federer, losing 11 times in 15 meetings.
"I probably need to have something more than 100 percent," Berdych said.
Croatian 12th seed Marin Cilic is also through to the last eight after a comfortable straight sets (7-5 6-4 6-0) win over Martin Klizan from Slovakia.
Cilic with play the winner of the evening match between third seed Andy Murray and Canada's Milos Raonic.
Part of complete coverage on
May 23, 2013 -- Updated 1322 GMT (2122 HKT)
World No. 2 Maria Sharapova reflects on her chances of repeating last year's French Open success at Roland Garros.
May 21, 2013 -- Updated 0939 GMT (1739 HKT)
Nicknamed the "kissing disease," mononucleosis or glandular fever is a viral illness that is affecting tennis stars.
May 1, 2013 -- Updated 1129 GMT (1929 HKT)
She towers above him, but she can't do without him. Meet the man who has made Maria Sharapova the world's wealthiest female athlete.
April 22, 2013 -- Updated 1511 GMT (2311 HKT)
When Maria Sharapova underwent shoulder surgery five years ago, many thought her tennis career wouldn't last.
April 18, 2013 -- Updated 1258 GMT (2058 HKT)
Nine-year-old Rebecca Suarez stunned onlookers when she was pulled out of the crowd to team up with Del Potro against Nadal.
April 18, 2013 -- Updated 2115 GMT (0515 HKT)
Janko Tipsarevic is of the belief that his fellow professionals aren't doping -- or at least not on a widespread basis.
March 21, 2013 -- Updated 1429 GMT (2229 HKT)
Agnieszka and Urszula Radwanska are hoping to take their relationship to a new level by emulating tennis' most famous sisters.
March 21, 2013 -- Updated 1402 GMT (2202 HKT)
America's 18-time grand slam champion Chris Evert talks to Open Court about her career and training the next generation of players.
March 21, 2013 -- Updated 1344 GMT (2144 HKT)
CNN's Don Riddell speaks with 11-time grand slam champion Rafael Nadal during one of his comeback tournaments in Mexico.
March 21, 2013 -- Updated 1411 GMT (2211 HKT)
Germany's veteran star Tommy Haas opens up to Pat Cash about being away from family on tour, and his many injuries.
March 11, 2013 -- Updated 1150 GMT (1950 HKT)
You'd think John Isner and Nicolas Mahut would be sick of the sight of each other, but their friendship has grown since that epic match.
March 4, 2013 -- Updated 1608 GMT (0008 HKT)
Almost a decade after Andy Roddick's sole U.S. Open victory, America is still waiting for its next male grand slam winner. What's gone wrong?
February 21, 2013 -- Updated 1621 GMT (0021 HKT)
Open Court's Pat Cash meets American No. 1 John Isner, who experts claim has the potential to win a grand slam.
February 25, 2013 -- Updated 0917 GMT (1717 HKT)
CNN's Pat Cash looks at who the next U.S. grand slam champion might be.
February 21, 2013 -- Updated 1545 GMT (2345 HKT)
CNN's Patrick Snell looks at how the famous couple is helping groom the next generation of tennis stars.
February 21, 2013 -- Updated 1612 GMT (0012 HKT)
He's "Mac the Mouth" both on and off the court -- one of the most controversial and iconic players in tennis history, and he's still talking up a storm.
January 29, 2013 -- Updated 1131 GMT (1931 HKT)
Novak Djokovic and Andy Murray have transformed their careers since discovering a diet secret that is battling for mainstream acceptance.
January 28, 2013 -- Updated 1500 GMT (2300 HKT)
Novak Djokovic knew he was going to be a tennis star from an early age when growing up in war-torn Belgrade.
January 17, 2013 -- Updated 1325 GMT (2125 HKT)
Nine women, a bold proposal and a $1 bill. That was what it took for women's tennis to begin a 40-year journey of self-empowerment.
Today's five most popular stories