2015 Banja Luka Challenger – Singles

Viktor Troicki was the defending champion, but chose not to defend his title.

Seeds
• # 🇪🇸 Daniel Gimeno-Traver (second round)

• # 🇪🇸 Marcel Granollers (withdrew, due to right hip injury)

• # 🇷🇸 Dušan Lajović

• # 🇦🇷 Horacio Zeballos (quarterfinals)

• # 🇩🇪 Tobias Kamke (first round)

• # 🇷🇸 Laslo Djere (first round)

• # 🇫🇷 Calvin Hemery (first round)

• # 🇫🇷 Mathias Bourgue (second round)