Nikolay Davydenko Nikolay Vladimirovich Davydenko ( ; born 2 June 1981) is a Russian former professional tennis player. He achieved a career-high singles ranking of World No. 3 in November 2006. Davydenko's best result in a Grand Slam (tennis), Grand Slam tournam ...

was the defending champion but lost in the first round to

Radek Štěpánek Radek Štěpánek (; born 27 November 1978) is a Czech former professional tennis player. His career-high singles ranking was world No. 8 and best doubles ranking was world No. 4. Štěpánek's biggest achievements are reaching two Masters 1000 ...

Juan Ignacio Chela Juan Ignacio Chela (; born 30 August 1979), nicknamed as "El Flaco" or "Liliano," is a tennis coach and former professional player from Argentina. Chela was given a three-month ban from the professional tour in 2001 for failing a drugs test. Post ...

won in the final 6–7^(2–7), 6–3, 6–3 against

Marat Safin Marat Mubinovich Safin ( rus, Мара́т Муби́нович Са́фин, , mɐˈrat ˈsafʲɪn, Ru-Marat-Safin.ogg; ; born 27 January 1980) is a Russian former professional tennis player and former politician. He was ranked as the List of ...

Seeds

Rainer Schüttler Rainer Schüttler (; born 25 April 1976) is a German former professional tennis player. Schüttler was the runner-up at the 2003 Australian Open and a semifinalist at the 2008 Wimbledon Championships. He won an Olympic silver medal in doubles ...

''(first round)'' #

Nicolás Massú Nicolás Alejandro Massú Fried (; born 10 October 1979), nicknamed ''El Vampiro'' (Spanish, 'the vampire'), is a Chilean tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent ...

''(first round)'' #

Agustín Calleri Agustín Calleri (, ; born 14 September 1976) is a retired professional male tennis player from Argentina. His nickname is ''Gordo'' which means ''Fat'' in Spanish. He is known as a hard-hitter and he prefers playing on clay. Calleri served as ...

''(first round)'' #

Tommy Robredo Tomás Robredo Garcés (, ; born 1 May 1982) is a Spanish former professional tennis player. His career-high singles ranking was world No. 5, which he reached in August 2006 as a result of winning the 2006 Hamburg Masters – Singles, Hamburg M ...

''(quarterfinals)'' #

(champion) #

Max Mirnyi Maksim Mikalaevich "Max" Mirnyi (born 6 July 1977) is a Belarusian former professional tennis player. Mirnyi became a doubles specialist following his singles career, in which he reached a career-high of World No. 18 (August 2003) and finished ...

''(second round)'' #

Gastón Gaudio Gastón Norberto Gaudio (; born 9 December 1978) is an Argentine former professional tennis player. He won eight singles titles and achieved a career-high ATP singles ranking of world No. 5 in April 2005. Gaudio's most significant championship c ...

''(first round)'' #

''(final)''

Draw

Finals

Top half

Bottom half

References

2004 Estoril Open draw
{{DEFAULTSORT:Estoril Open - Men's Singles, 2004 2004 ATP Tour