2015 St. Petersburg Open – Singles

Ernests Gulbis won the last edition of the tournament held in 2013, but lost in the first round to Marcos Baghdatis. Milos Raonic won the title, defeating João Sousa in the final, 6–3, 3–6, 6–3.

Seeds
The top four seeds receive a bye into the second round. • #🇨🇿 Tomáš Berdych (second round)

• #🇨🇦 Milos Raonic (champion)

• #🇦🇹 Dominic Thiem (semifinals)

• #🇪🇸 Roberto Bautista Agut (semifinals)

• #🇪🇸 Tommy Robredo (quarterfinals)

• #🇫🇷 Benoît Paire (first round, retired)

• # João Sousa (final)

• #🇰🇿 Mikhail Kukushkin (first round)

Seeds
• # 🇲🇩 Radu Albot (qualified)

• # 🇰🇿 Andrey Golubev (qualified)

• # 🇷🇺 Alexander Kudryavtsev (qualifying competition)

• # 🇧🇾 Dzmitry Zhyrmont (first round)

• # Nikola Mektić (second round)

• # 🇧🇾 Yaraslav Shyla (qualified)

• # 🇪🇪 Vladimir Ivanov (second round)

• # 🇷🇺 Alexey Vatutin (second round)

Qualifiers
• # 🇲🇩 Radu Albot

• # 🇰🇿 Andrey Golubev

• # 🇫🇷 Alexandre Sidorenko

• # 🇧🇾 Yaraslav Shyla