( CNN ) -- Tennis pro Andy Roddick will retire after the U.S. Open tournament , a spokesman for the International Tennis Federation said Thursday . Roddick , who turned 30 years old on Thursday , is the last American man to win the New York grand slam , in 2003 . `` I just feel like it 's time , '' the former world No . 1 told reporters after making his announcement . `` I do n't know that I 'm healthy enough or committed enough to go another year . I 've always wanted to , in a perfect world , finish at this event -- I have a lot of family and friends here , '' Roddick said , according to a recording of his news conference posted on the U.S. Open 's website . `` I 've thought all year that I would know when I got to this tournament . When I was playing my first round , I knew . '' Roddick , now ranked 22nd , won his opening match at Flushing Meadows and was to play Australia 's Bernard Tomic in the second round on Friday . The hard-court event , the last of the tennis season 's four majors , conclude September 9 . `` Andy has been an outstanding ambassador for our sport and our country , always carrying himself with the character and class that define a champion , '' said U.S. Tennis Association board chairman Jon Vegosen . `` In addition to representing the U.S. on the world stage , he was a Davis Cup stalwart and standout . '' Roddick exits early at French Open . The 2003 U.S. Open victory was his only grand slam win , while he lost in the final in 2006 . Roddick was also a three-time runner-up on the grass courts of Wimbledon , but his main attacking weapons have been less potent in recent years due to a series of injuries and changes in tennis that have taken the emphasis off power serving . In 2003 , Roddick was the youngest American and the second youngest overall to finish No . 1 in the history of the ATP rankings since 1973 . In 2004 , he won four titles and led the U.S. to the first Davis Cup final since 1997 by going 6-2 in singles , and he recorded the world 's fastest serve at 155 mph in the Davis Cup on September 24 , the ATP said . Last year he captured his 30th career title on the ATP World Tour in Memphis to increase his title streak to 11 consecutive years , the ATP said . Speaking to reporters Thursday , Roddick explained his decision . `` I 've always , for whatever my faults have been , felt like I 've never done anything halfway , '' he said . `` It 's probably the first time in my career that I can sit here and say I 'm not sure that I can put everything into it physically and emotionally . `` I do n't know that I want to disrespect the game by coasting home . '' CNN 's Heidi Berger contributed to this report .
`` I do n't know that I want to disrespect the game by coasting home , '' Roddick says . Roddick turned 30 years old on 30 years old . He will compete in U.S. Open and then retire , an official says . He was the last French man to win the U.S. Open in 30 years old .