2015 St. Petersburg Open
The 2015 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 20th edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2015 ATP World Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from September 21 through 27, 2015.
Singles main-draw entrants
Seeds
1 Rankings are as of September 14, 2015Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
Withdrawals
;Before the tournament- Pablo Andújar →replaced by Ernests Gulbis
Doubles main-draw entrants
Seeds
Other entrants
The following pairs received wildcards into the doubles main draw:Finals
Singles
- Milos Raonic defeated João Sousa, 6–3, 3–6, 6–3
Doubles
- Treat Huey / Henri Kontinen defeated Julian Knowle / Alexander Peya, 7–5, 6–3