Editing Andy Roddick (section)

===2003: US Open title and world No. 1===
Roddick's breakthrough year was 2003, in which he defeated [[Younes El Aynaoui]] in the quarterfinals of the [[2003 Australian Open – Men's singles|2003 Australian Open]]. Roddick and the Moroccan battled for five hours, with the fifth set (21–19 in favor of Roddick) at the time the longest fifth set in a Grand Slam tournament during the [[Tennis open era|open era]], at 2 hours and 23 minutes. Despite a lackluster [[2003 French Open – Men's singles|French Open]], Roddick enjoyed success in the United Kingdom by winning [[Queen's Club Championships|Queen's Club]], beating No. 2 [[Andre Agassi]] on a final set tie break along the way, and reaching the Wimbledon semifinals, where he lost to eventual champion [[Roger Federer]] in straight sets. He avenged that loss in August, beating then No. 3 Federer in [[Rogers Cup (tennis)|Montreal]] on a final set tie break.<ref>{{cite news|title=Results Masters Rogers Cup 2003|access-date=June 24, 2011|url=http://tennis.wettpoint.com/en/archiv/masters-rogers-cup-2003.html|archive-date=March 24, 2012|archive-url=https://web.archive.org/web/20120324071108/http://tennis.wettpoint.com/en/archiv/masters-rogers-cup-2003.html|url-status=live}}</ref> It is one of three times that Roddick defeated Federer in an official ATP tournament.

Roddick's hard-court record in 2003 included his first [[ATP Masters Series|Masters Series]] titles—coming at [[Canada Masters|Canada]] and [[Cincinnati Masters|Cincinnati]]—and his only Grand Slam title. At the [[2003 US Open – Men's singles|2003 US Open]], Roddick rallied from two sets down and a match point in the semifinals to beat [[David Nalbandian]] of Argentina in five sets. He then defeated No. 3 [[Juan Carlos Ferrero]] in the final in straight sets. At the [[Tennis Masters Cup]] in Houston, he defeated No. 7 [[Carlos Moyá]] of Spain, and No. 4 [[Guillermo Coria]] of Argentina, before losing to [[Roger Federer]] in the semifinals. By the end of the year, at age 21, he was ranked No. 1, the first American to finish a year at No. 1 since [[Andre Agassi]] in 1999. He also became the youngest American to hold this rank since computer rankings were started in 1973.