2015 City of Onkaparinga ATP Challenger – Singles

This was the first edition of the event.

Ryan Harrison won the title, defeating Marcos Baghdatis 7–6(10–8), 6–4 in the final.

Seeds
• # 🇸🇮 Blaž Rola (second round)

• # 🇨🇾 Marcos Baghdatis (final)

• # 🇷🇺 Andrey Kuznetsov (quarterfinals)

• # 🇫🇷 Paul-Henri Mathieu (quarterfinals)

• # 🇰🇿 Aleksandr Nedovyesov (quarterfinals)

• # 🇯🇵 Hiroki Moriya (first round)

• # 🇺🇸 Michael Russell (withdrew because of laryngitis)

• # 🇭🇺 Márton Fucsovics (second round)