Koubek retires from tennis

Sports Network

, Last Updated: 10:49 AM ET

VIENNA -- Former top-20 player Stefan Koubek has decided to retire from tennis.

The 34-year-old Austrian lefthander reached a career-high No. 20 in 2000, but is currently ranked 261st in the world.

"I wanted to play Roland Garros and Wimbledon one more time, but I won't make it," Koubek said. "Once you've decided to quit, you lose your motivation."

The 5-foot-9 Klagenfurt native captured three titles on the ATP circuit and was the runner-up on three other occasions.


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