2013 Comerica Bank Challenger – Singles

Steve Johnson was the defending champion, but lost to Donald Young in the first round. Bradley Klahn won the title over Dan Evans 3–6, 7–6(7–5), 6–4

Seeds
• # 🇦🇷 Guido Pella (quarterfinals)

• # 🇷🇺 Evgeny Donskoy (semifinals)

• # 🇺🇸 Steve Johnson (first round)

• # 🇺🇸 Ryan Harrison (first round)

• # 🇺🇸 Wayne Odesnik (quarterfinals)

• # 🇺🇸 Bobby Reynolds (first round)

• # 🇩🇪 Mischa Zverev (quarterfinals)

• # Jimmy Wang (second round)