2011 Honolulu Challenger – Singles

Michael Russell was the defending champion, but lost to Ryan Harrison in the semifinals. Harrison went on to win the title after defeating Alex Kuznetsov 6–4, 3–6, 6–4 in the final.

Seeds
• # 🇺🇸 Michael Russell (semifinals)

• # 🇺🇸 Robert Kendrick (quarterfinals)

• # 🇺🇸 Ryan Sweeting (quarterfinals)

• # Grega Žemlja (first round)

• # 🇺🇸 Bobby Reynolds (quarterfinals)

• # 🇺🇸 Ryan Harrison (champion)

• # 🇺🇸 Tim Smyczek (second round)

• # 🇺🇸 Jesse Witten (semifinals)