2015 Eskişehir Cup – Singles

David Goffin was the defending champion, but chose not to participate, since he played at French Open during that week.

Paolo Lorenzi won the tournament, defeating Íñigo Cervantes in the final. Lorenzi's quarterfinal match was his 300th win on the ATP Challenger Tour.

Seeds
• # 🇮🇹 Paolo Lorenzi (champion)

• # 🇪🇸 Íñigo Cervantes (final)

• # Chen Ti (first round)

• # 🇮🇳 Saketh Myneni (second round)

• # 🇦🇺 Matthew Ebden (quarterfinals)

• # 🇦🇹 Dennis Novak (first round)

• # 🇧🇷 Henrique Cunha (first round)

• # 🇫🇷 Rémi Boutillier (semifinals)