| Singles | |
|---|---|
| 2004 Siebel Open | |
| Champion |  Andy Roddick |
| Runner-up | Mardy Fish |
| Score | 7–6(15–13), 6–4 |
| Draw | 32 (4Q / 3WC) |
| Seeds | 8 |
Andre Agassi was the defending champion but lost in the semifinals to Mardy Fish.
Andy Roddick won in the final 7–6(15–13), 6–4 against Fish.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Andy Roddick (champion) Andre Agassi (semifinals) Mardy Fish (final) Taylor Dent (second round) Robby Ginepri (second round) Vince Spadea (second round) James Blake (second round)
Wayne Ferreira (first round)Roger Federer defeated Lleyton Hewitt in the final, 6–0, 7–6(7–3), 6–0 to win the men's singles tennis title at the 2004 US Open. It was his first US Open title and fourth major title overall. He became first man to capture the Australian Open, the Wimbledon Championships, and the US Open in a season since Jimmy Connors in 1974. With the win, he became the tenth man to win three majors in a calendar year.
Roger Federer defeated Marat Safin in the final, 7–6(7–3), 6–4, 6–2 to win the men's singles tennis title at the 2004 Australian Open. It was his first Australian Open title and second major title overall. With the win, Federer gained the world No. 1 ranking for the first time in his career, and would hold the position for a record 237 consecutive weeks.
Andy Roddick defeated Juan Carlos Ferrero in the final, 6–3, 7–6(7–2), 6–3 to win the men's singles tennis title at the 2003 US Open. It was his first major title. Roddick remains the most recent American to win a major men's singles title. Roddick saved a match point en route to the title, in the semifinals against David Nalbandian. He also completed the "Summer Slam," having won Masters titles in Canada and Cincinnati in the lead-up to the US Open.
Andy Roddick defeated David Nalbandian in the final, 6–1, 6–3 to win the men's singles tennis title at the 2003 Canada Masters.
Guillermo Cañas defeated Andy Roddick in the final, 6–4, 7–5 to win the men's singles tennis title at the 2002 Canada Masters.
Andy Roddick was the defending champion and won in the final 7–6(11–9), 6–3 against Pete Sampras.
Andre Agassi was the defending champion but did not compete that year.
Félix Mantilla defeated Roger Federer in the final, 7–5, 6–2, 7–6(10–8) to win the men's singles tennis title at the 2003 Italian Open.
Andy Roddick defeated Mardy Fish in the final, 4–6, 7–6(7–3), 7–6(7–4) to win the singles tennis title at the 2003 Cincinnati Masters.
Juan Carlos Ferrero defeated Nicolás Massú in the final, 6–3, 6–4, 6–3 to win the singles tennis title at the 2003 Madrid Open.
Roger Federer defeated Tim Henman in the final, 6–3, 6–3, to win the men's singles tennis title at the 2004 Indian Wells Masters.
Andy Roddick won the men's singles tennis title at the 2004 Miami Open after Guillermo Coria retired in the final, with the scoreline at 6–7(2–7), 6–3, 6–1.
Lleyton Hewitt was the defending champion but lost in the quarterfinals to Sébastien Grosjean.
The 2002 Siebel Open was a men's international tennis tournament that took place from February 25 to March 3, 2002. Greg Rusedski was the defending champion but lost in the second round to Todd Martin.
The 2003 Siebel Open was a men's international tennis tournament. Lleyton Hewitt was the defending champion but did not compete that year.
Mardy Fish and Andy Roddick were the defending champions but lost in the semifinals to Mark Knowles and Daniel Nestor.
James Blake was the defending champion but lost in the quarterfinals to Andre Agassi.
Andy Roddick was the defending champion, and won in the final 6–0, 6–4, against Cyril Saulnier.
Andy Roddick was the defending champion, but withdrew due to an Abdominal strain.
Andy Roddick was the defending champion and successfully defended his title, defeating Nicolas Kiefer, 6–2, 6–3 in the final.
