2015 Sparkassen Open – Singles

Alexander Zverev was the defending champion, but he lost in the second round to Daniel Brands.

Seeds
• # 🇪🇸 Pablo Carreño Busta (quarterfinals)

• # 🇪🇸 Marcel Granollers (first round)

• # 🇩🇪 Alexander Zverev (second round)

• # 🇧🇷 João Souza (second round)

• # 🇧🇦 Damir Džumhur (second round)

• # 🇲🇩 Radu Albot (first round)

• # 🇪🇸 Daniel Muñoz de la Nava (second round)

• # 🇩🇪 Matthias Bachinger (second round)