2015 Gimcheon Open ATP Challenger – Singles

Gilles Müller was the defending champion, but he did not participate. Alexander Sarkissian won the title over Connor Smith.

Seeds
• # 🇯🇵 Go Soeda (second round)

• # Chen Ti (first round)

• # 🇺🇸 Daniel Nguyen (first round)

• # 🇮🇳 Ramkumar Ramanathan (second round)

• # 🇺🇸 Connor Smith (final)

• # 🇯🇵 Takuto Niki (second round)

• # 🇪🇸 David Pérez Sanz (first round)

• # 🇺🇸 Alexander Sarkissian (champion)