2015 Tampere Open – Men's singles

David Goffin was the defending champion, but decided not to participate this year.

Tristan Lamasine won the title, defeating André Ghem in the final, 6–3, 6–2.

Seeds
• #🇫🇮 Jarkko Nieminen (semifinals)

• #🇫🇷 Lucas Pouille (withdrew)

• #🇦🇹 Jürgen Melzer (first round)

• #🇧🇷 Andre Ghem (final)

• #🇪🇪 Jürgen Zopp (quarterfinals)

• #🇧🇪 Germain Gigounon (first round)

• #🇫🇷 Calvin Hemery (second round)

• #🇩🇪 Andreas Beck (quarterfinals, retired)

• # Rui Machado (first round)