2013 Heineken Open – Singles

David Ferrer successfully defended his title by defeating Philipp Kohlschreiber in the final, 7–6(7–5), 6–1.

Seeds
• # 🇪🇸 David Ferrer (champion)

• # 🇩🇪 Philipp Kohlschreiber (final)

• # 🇩🇪 Tommy Haas (quarterfinals)

• # 🇺🇸 Sam Querrey (semifinals)

• # 🇵🇱 Jerzy Janowicz (first round)

• # 🇦🇹 Jürgen Melzer (first round)

• # 🇸🇰 Martin Kližan (first round)

• # 🇧🇷 Thomaz Bellucci (second round)

Seeds
• # 🇷🇴 Victor Hănescu (qualifying competition)

• # 🇩🇪 Benjamin Becker (qualified)

• # 🇦🇷 Carlos Berlocq (first round, withdrew due to a thigh injury)

• # 🇱🇺 Gilles Müller (first round)

• # Igor Sijsling (qualified)

• # 🇪🇸 Daniel Gimeno-Traver (second round)

• # 🇨🇿 Lukáš Rosol (qualifying competition)

• # 🇺🇸 Michael Russell (second round, withdrew due to illness)

Qualifiers
• # 🇦🇺 Greg Jones

• # 🇩🇪 Benjamin Becker

• # Igor Sijsling

• # 🇨🇦 Jesse Levine