2009 Kremlin Cup – Men's singles

Igor Kunitsyn was the defending champion, but lost to Evgeny Korolev in the first round. Mikhail Youzhny won in the final 6–7(5–7), 6–0, 6–4 against Janko Tipsarević.

Seeds
• # 🇷🇺 Nikolay Davydenko (first round)

• # 🇷🇴 Victor Hănescu (first round)

• # 🇷🇺 Mikhail Youzhny (champion)

• # 🇷🇺 Igor Andreev (first round)

• # Pablo Cuevas (quarterfinals)

• # 🇷🇸 Janko Tipsarević (final)

• # 🇫🇷 Fabrice Santoro (second round)

• # 🇦🇷 Martín Vassallo Argüello (first round)