2011 President's Cup (tennis) – Men's singles

Ivan Dodig was the defending champion, but decided not to participate.

2nd seed Mikhail Kukushkin won the title, defeating Sergei Bubka 6–3, 6–4 in the final.

Seeds
• # 🇰🇿 Andrey Golubev (semifinals)

• # 🇰🇿 Mikhail Kukushkin (champion)

• # 🇮🇱 Dudi Sela (first round)

• # 🇸🇰 Karol Beck (quarterfinals)

• # 🇸🇰 Lukáš Lacko (second round)

• # 🇷🇺 Konstantin Kravchuk (quarterfinals)

• # 🇪🇸 Arnau Brugués-Davi (quarterfinals)

• # 🇷🇺 Denis Matsukevich (first round)