2012 Kremlin Cup – Men's singles

Janko Tipsarević was the defending champion, but decided to participate at 2012 Erste Bank Open instead. Andreas Seppi won the final over Brazilian Thomaz Bellucci with the score 3–6, 7–6(7–3), 6–3.

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

• # 🇺🇦 Alexandr Dolgopolov (second round)

• # 🇮🇹 Andreas Seppi (champion)

• # 🇷🇸 Viktor Troicki (second round)

• # 🇧🇷 Thomaz Bellucci (final)

• # 🇷🇺 Nikolay Davydenko (first round)

• # 🇺🇿 Denis Istomin (second round)

• # 🇦🇷 Carlos Berlocq (second round)

• # 🇯🇵 Tatsuma Ito (quarterfinals)

Seeds
• # 🇷🇴 Victor Hănescu (second round)

• # 🇮🇱 Dudi Sela (qualifying competition)

• # 🇫🇷 Édouard Roger-Vasselin (qualified)

• # 🇩🇪 Michael Berrer (qualified)

• # 🇷🇸 Dušan Lajović (second round)

• # 🇷🇺 Igor Kunitsyn (second round)

• # 🇺🇦 Ivan Sergeyev (second round)

• # 🇰🇿 Andrey Golubev (qualifying competition)

Qualifiers
• # 🇰🇿 Evgeny Korolev

• # 🇷🇺 Konstantin Kravchuk

• # 🇫🇷 Édouard Roger-Vasselin

• # 🇩🇪 Michael Berrer