2009 St. Petersburg Open

The 2009 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 15th edition of the St. Petersburg Open, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour. It was held at the Petersburg Sports and Concert Complex in Saint Petersburg, Russia, from October 25 through November 1, 2009.

Seeds

 * Seeds are based on the rankings of October 19, 2009

Other entrants
The following players received wildcards into the singles main draw:
 * 🇷🇺 Stanislav Vovk
 * 🇷🇺 Andrey Kuznetsov
 * 🇷🇺 Michail Elgin

The following players received into the singles main draw as special exempt:
 * 🇰🇿 Mikhail Kukushkin
 * 🇺🇦 Illya Marchenko

The following players received entry from the qualifying draw:
 * 🇺🇦 Oleksandr Dolgopolov Jr.
 * 🇷🇴 Petru-Alexandru Luncanu
 * 🇰🇿 Yuri Schukin
 * 🇺🇦 Sergiy Stakhovsky

Singles
🇺🇦 Sergiy Stakhovsky defeated 🇦🇷 Horacio Zeballos 2–6, 7–6(10–8), 7–6(9–7)
 * Stakhovsky wins his first title of the year and second of his career.

Doubles
🇬🇧 Colin Fleming / 🇬🇧 Ken Skupski defeated 🇫🇷 Jérémy Chardy / 🇫🇷 Richard Gasquet, 2–6, 7–5, [10–4]