2015 Apia International Sydney – Men's singles

Viktor Troicki won the title, defeating Mikhail Kukushkin in the final, 6–2, 6–3. It was the first time in ATP history that two qualifiers contested a final.

Juan Martín del Potro was the defending champion, but lost to Kukushkin in the quarterfinals.

Seeds
The top four seeds receive a bye into the second round. • 🇮🇹 Fabio Fognini (second round)

• 🇧🇪 David Goffin (second round)

• 🇩🇪 Philipp Kohlschreiber (second round)

• 🇫🇷 Julien Benneteau (quarterfinals)

• 🇦🇷 Leonardo Mayer (semifinals)

• Pablo Cuevas (second round)

• 🇫🇷 Jérémy Chardy (second round)

• 🇸🇰 Martin Kližan (first round)

Seeds
🇺🇦 Sergiy Stakhovsky (moved to main draw) 🇷🇺 Teymuraz Gabashvili (qualifying competition) 🇰🇿 Mikhail Kukushkin (qualified) 🇦🇷 Carlos Berlocq (withdrew) 🇰🇿 Andrey Golubev (second round) 🇫🇮 Jarkko Nieminen (qualified) Igor Sijsling (qualified) 🇫🇷 Paul-Henri Mathieu (first round, retired)

Qualifiers
• # Igor Sijsling

• # 🇫🇮 Jarkko Nieminen

• # 🇰🇿 Mikhail Kukushkin

• # 🇷🇸 Viktor Troicki