2013 AON Open Challenger – Singles

Albert Montañés is the defending champion but lost in the first round to Gianluca Naso. Dustin Brown defeated Filippo Volandri 7–6(7–5), 6–3

Seeds
• # 🇪🇸 Albert Montañés (first round)

• # 🇪🇸 Albert Ramos (first round)

• # 🇪🇸 Pablo Carreño Busta (quarterfinals)

• # 🇮🇹 Paolo Lorenzi (semifinals)

• # 🇷🇺 Andrey Kuznetsov (first round)

• # 🇮🇹 Filippo Volandri (final)

• # 🇨🇿 Jan Hájek (quarterfinals)

• # 🇷🇺 Teymuraz Gabashvili (second round, retired)