2019 St. Petersburg Open
The 2019 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 24th edition of the St. Petersburg Open, and part of the ATP Tour 250 Series of the 2019 ATP Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from September 16 through 22, 2019.
Singles main-draw entrants
Seeds
1 Rankings are as of September 9, 2019Other entrants
The following players received wildcards into the singles main draw:The following players received entry using a protected ranking into the main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Withdrawals
;Before the tournament- Tomáš Berdych → replaced by Damir Džumhur
- Laslo Đere → replaced by Matteo Viola
- Miomir Kecmanović → replaced by Jozef Kovalík
- Corentin Moutet → replaced by Janko Tipsarević
- Stan Wawrinka → replaced by Salvatore Caruso
Retirements
Doubles main-draw entrants
Seeds
- Rankings are as of September 9, 2019