2016 St. Petersburg Open
The 2016 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 21st edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2016 ATP World Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from 19 September through 25 September 2016. Fifth-seeded Alexander Zverev won the singles title.
Finals
Singles
- Alexander Zverev defeated Stan Wawrinka, 6–2, 3–6, 7–5
Doubles
- Dominic Inglot / Henri Kontinen defeated Andre Begemann / Leander Paes, 4–6, 6–3,
Singles main-draw entrants
Seeds
1 Rankings are as of September 12, 2016Other entrants
The following players received wildcards into the singles main draw:The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Withdrawals
;Before the tournament- Marcos Baghdatis →replaced by Evgeny Donskoy
- Pablo Carreño Busta →replaced by Lukáš Rosol
- Ernests Gulbis →replaced by Dušan Lajović
- Jiří Veselý →replaced by Ričardas Berankis
Retirements
Doubles main-draw entrants
Seeds
- Rankings are as of September 12, 2016