2011 Royal Bank of Scotland Challenger – Singles

Tobias Kamke was the defending champion but decided not to participate. Ivo Karlović won the tournament after defeating Sam Querrey 6–7(2–7), 6–1, 6–4 in the final.

Seeds
• # 🇺🇸 Ryan Sweeting (semifinals)

• # Ivo Karlović (champion)

• # 🇺🇸 Sam Querrey (final)

• # 🇺🇸 Bobby Reynolds (second round)

• # 🇨🇦 Vasek Pospisil (quarterfinals)

• # Izak van der Merwe (first round)

• # 🇺🇸 Wayne Odesnik (second round)

• # 🇩🇪 Björn Phau (semifinals)