He then played a thriller five-set match against Fernando Verdasco, winning 6–2 in the final set.
In 2015, Roddick played for the Austin Aces in World Team Tennis. Roddick played the Banana Bowl in the city of São Paulo and won, beating Joachim Johansson in the final.He bowed out to Andy Murray in the semifinals of the SAP Open in San Jose, California, a reprise of 2006.Roddick then defeated Murray in the semifinals of the Regions Morgan Keegan Championships and the Cellular South Cup in Memphis, Tennessee, before losing in the final to defending champion Tommy Haas.During that time period, he intermittently trained with Venus and Serena Williams; he later moved back to Austin. Roddick considered quitting competitive tennis at the age of 17 when he had a losing streak in the juniors. During the ensuing Wimbledon, he further showed potential by taking a set from eventual winner Goran Ivanišević. Roddick lost his singles match against Rafael Nadal, who would in the following year win the French Open. Roddick motioned to the umpire, pointing to the clear ball mark on the clay indicating that the ball was in, and the call was consequently changed. At the French Open, Roddick lost to unseeded Argentine José Acasuso in the second round, and at Wimbledon, Roddick lost to Federer in the final for the second consecutive year. 3 Lleyton Hewitt at the Masters Series tournament in Cincinnati. At the Grand Prix de Tennis de Lyon, Roddick defeated Gaël Monfils to wrap up a tournament without losing a set or getting his serve broken.
His coach, Tarik Benhabiles, talked him into giving tennis four more months of undivided attention. Roddick's breakthrough year was 2003, in which he defeated Younes El Aynaoui in the quarterfinals of the 2003 Australian Open. Towards the end of 2004, Roddick fired his coach of 18 months, Brad Gilbert, and hired assistant Davis Cup coach Dean Goldfine. Roddick's first ATP event of the year was the Australian Open.
2 Andre Agassi, 6–1, 6–7, 7–6, along the way, and reaching the Wimbledon semifinals, where he lost to eventual champion Roger Federer in straight sets. Roddick's hard-court record in 2003 included his first Masters Series titles—coming at Canada and Cincinnati—and his only Grand Slam title. At the Tennis Masters Cup in Houston, he defeated No. 4 Guillermo Coria of Argentina, before losing to Roger Federer in the semifinals. He also became the youngest American to hold this rank since computer rankings were started in 1973. 1 ended the following February, when Roger Federer ascended to the top position, after winning his first Australian Open; the 2004 Australian Open would be the only time in Roddick's career that he was the No. Two weeks later at Wimbledon, Roddick was upset in the third round by British hopeful Andy Murray.