2013 Kremlin Cup – Men's singles

Andreas Seppi was the defending champion, but lost in the semifinals to Mikhail Kukushkin.

Richard Gasquet won the title, defeating Kukushkin in the final, 4–6, 6–4, 6–4.

Seeds
The first four seeds received a bye into the second round.

• # 🇫🇷 Richard Gasquet (champion)

• # 🇮🇹 Andreas Seppi (semifinals)

• # 🇷🇸 Janko Tipsarević (second round)

• # 🇺🇦 Alexandr Dolgopolov (second round)

• # 🇺🇿 Denis Istomin (second round)

• # 🇦🇷 Horacio Zeballos (second round)

• # João Sousa (first round)

• # 🇫🇷 Adrian Mannarino (first round)

Seeds
• # 🇰🇿 Mikhail Kukushkin (qualified)

• # 🇺🇦 Oleksandr Nedovyesov (qualified)

• # 🇰🇿 Andrey Golubev (qualified)

• # 🇷🇸 Dušan Lajović (second round)

• # 🇷🇺 Konstantin Kravchuk (qualifying competition)

• # 🇨🇿 Jan Mertl (qualifying competition)

• # 🇲🇩 Radu Albot (first round)

• # 🇧🇾 Uladzimir Ignatik (first round)

Qualifiers
• # 🇰🇿 Mikhail Kukushkin

• # 🇺🇦 Oleksandr Nedovyesov

• # 🇰🇿 Andrey Golubev

• # 🇷🇺 Aslan Karatsev