Sébastien Grosjean Sébastien René Grosjean (; born 29 May 1978) is a French former professional tennis player. Grosjean reached the semifinals at the 2001 Australian and French Opens, and at Wimbledon in 2003 and 2004. He finished eight consecutive seasons rank ...

was the defending champion but lost in the quarterfinals to

Àlex Corretja Àlex Corretja i Verdegay (; born 11 April 1974) is a Spanish former professional tennis player. During his career, he was twice a major runner-up at the French Open (in 1998 and 2001), won the Tour Finals in 1998, reached a career-high singl ...

Gustavo Kuerten Gustavo "Guga" Kuerten (; born 10 September 1976) is a Brazilian former world No. 1 tennis player. He won the French Open singles title three times ( 1997, 2000, and 2001), and was the Tennis Masters Cup champion in 2000. During his career he ...

won in the final 6–4, 6–3 against

Sargis Sargsian Sargis Sargsian ( hy, Սարգիս Սարգսյան, born 3 June 1973) is a former professional tennis player from Armenia. Sargsian turned pro in 1995, and has won one singles and two doubles titles during his career on the ATP Tour. He played ...

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 double ...

''(semifinals)'' #

''(quarterfinals)'' #

(champion) #

Max Mirnyi Maksim "Max" Mikalaevich Mirnyi ( be, Максім Мікалаевіч Мірны, ; russian: Максим Николаевич Мирный, ; born 6 July 1977) is a Belarusian former professional tennis player. Mirnyi became a doubles speci ...

''(first round)'' #

Mikhail Youzhny Mikhail Mikhailovich Youzhny (born 25 June 1982), nicknamed "Misha" and "Colonel" by his fans, is a Russian retired professional tennis player who was ranked inside the top 10 and was the Russian No. 1. He achieved a top-10 ranking by the Assoc ...

''(second round)'' #

Vince Spadea Vincent Spadea (born July 19, 1974) is a former professional tennis player from the United States. He reached a career high tenth position in the ATP Champions Race in April 2003, as well as a career-high 18th ATP ranking in February 2005. He h ...

''(quarterfinals)'' #

Gastón Gaudio Gastón Norberto Gaudio (; born 9 December 1978) is an Argentine retired 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 title win came at the 2004 ...

''(second round)'' #

Marat Safin Marat Mubinovich Safin ( rus, Мара́т Муби́нович Са́фин, , mɐˈrat ˈsafʲɪn, Ru-Marat-Safin.ogg; tt-Cyrl, Марат Мөбин улы Сафин; born 27 January 1980) is a Russian retired world No. 1 tennis player an ...

''(first round)''

Draw

Finals

Top half

Bottom half

References

2003 St. Petersburg Open Draw
{{DEFAULTSORT:2003 St. Petersburg Open - Singles St. Petersburg Open 2003 ATP Tour 2003 in Russian tennis