2016 St. Petersburg Open – Singles
was the defending champion, but lost in the second round to Mikhail Youzhny.
Alexander Zverev won his first ATP title, defeating Stan Wawrinka in the final, 6–2, 3–6, 7–5.Seeds
The top four seeds receive a bye into the second round.Draw
Finals
Seeds
Qualifiers
Qualifying draw
Second qualifier
Third qualifier