2006 Dutch Open – Singles

Fernando González was the defending champion, but did not participate this year.

Novak Djokovic won the tournament (his first career title ), beating Nicolás Massú in the final, 7–6(7–5), 6–4.

Seeds
• # 🇦🇷 Guillermo Coria (semifinals, retired due to a right shoulder injury)

• # 🇫🇷 Paul-Henri Mathieu (second round)

• # 🇷🇸 Novak Djokovic (champion)

• # Nicolás Massú (final)

• # 🇪🇸 Carlos Moyá (quarterfinals)

• # 🇪🇸 Alberto Martín (quarterfinals)

• # 🇮🇹 Daniele Bracciali (second round)

• # 🇫🇷 Julien Benneteau (first round)