2013 ABN AMRO World Tennis Tournament – Singles

Roger Federer was the defending champion, but lost in the quarterfinals to Julien Benneteau. Juan Martín del Potro won the title, defeating Benneteau in the final 7–6(7–2), 6–3.

Seeds
• # Roger Federer (quarterfinals)

• # 🇦🇷 Juan Martín del Potro (champion)

• # 🇫🇷 Jo-Wilfried Tsonga (first round)

• # 🇫🇷 Richard Gasquet (second round)

• # 🇫🇷 Gilles Simon (semifinals)

• # 🇮🇹 Andreas Seppi (first round)

• # 🇵🇱 Jerzy Janowicz (first round)

• # 🇩🇪 Florian Mayer (first round)

Seeds
• # 🇯🇵 Tatsuma Ito (first round, retired)

• # 🇩🇪 Tobias Kamke (qualifying competition, lucky loser)

• # 🇩🇪 Daniel Brands (qualified)

• # 🇦🇹 Andreas Haider-Maurer (first round)

• # 🇺🇦 Sergiy Stakhovsky (first round)

• # 🇺🇸 Rajeev Ram (qualifying competition)

• # 🇫🇷 Josselin Ouanna (qualifying competition)

• # 🇷🇺 Dmitry Tursunov (first round)

Qualifiers
• # 🇮🇹 Matteo Viola

• # Ernests Gulbis

• # 🇩🇪 Daniel Brands

• # 🇩🇪 Matthias Bachinger

Lucky losers

 * 1) 🇩🇪 Tobias Kamke