2015 Torneo Internacional Challenger León – Singles

Rajeev Ram was the defending champion, but lost in the second round to Daniel Nguyen.

Austin Krajicek won the title, defeating Adrián Menéndez Maceiras 6–7(3–7), 7–6(7–5), 6–4 in the final.

Seeds
• # 🇪🇸 Adrián Menéndez Maceiras (final)

• # 🇨🇴 Alejandro Falla (semifinals)

• # 🇺🇸 Rajeev Ram (second round)

• # 🇺🇸 Austin Krajicek (champion)

• # 🇦🇷 Horacio Zeballos (semifinals)

• # 🇵🇱 Michał Przysiężny (first round)

• # 🇦🇹 Gerald Melzer (quarterfinals)

• # 🇺🇸 Chase Buchanan (second round)