2010 PBZ Zagreb Indoors – Singles

Marin Čilić defend his 2009 title and he won in the final 6–4, 6–7(5–7), 6–3, against Michael Berrer.

Seeds
• # Marin Čilić (champion)

• # Ivan Ljubičić (second round)

• # 🇦🇹 Jürgen Melzer (semifinals)

• # 🇷🇸 Viktor Troicki (quarterfinals)

• # 🇷🇸 Janko Tipsarević (first round)

• # 🇩🇪 Benjamin Becker (second round)

• # Ivo Karlović (quarterfinals)

• # 🇰🇿 Evgeny Korolev (first round)

Seeds
• # Stéphane Bohli (first round)

• # 🇹🇷 Marsel İlhan (second round)

• # Michael Lammer (qualifying competition)

• # 🇷🇸 Ilija Bozoljac (qualified)

• # 🇫🇷 Alexandre Sidorenko (qualified)

• # 🇧🇪 Ruben Bemelmans (qualified)

• # 🇦🇹 Martin Fischer (qualifying competition)

• # Raemon Sluiter (first round)

Qualifiers
• # 🇸🇪 Andreas Vinciguerra

• # 🇧🇪 Ruben Bemelmans

• # 🇫🇷 Alexandre Sidorenko

• # 🇷🇸 Ilija Bozoljac