2011 Fifth Third Bank Tennis Championships – Men's singles

Carsten Ball was the defending champion but lost in the second round to Blake Strode.

2nd seed Wayne Odesnik won the title, defeating 1st seed James Ward in the final, 7–5, 6–4.

Seeds
• # 🇬🇧 James Ward (final)

• # 🇺🇸 Wayne Odesnik (champion)

• # 🇦🇺 Chris Guccione (second round)

• # Fritz Wolmarans (second round)

• # 🇦🇺 Carsten Ball (second round)

• # 🇺🇸 Michael Yani (quarterfinals)

• # 🇷🇸 Ilija Bozoljac (first round, retired)

• # 🇧🇦 Amer Delić (first round)