2012 Heineken Open – Singles

In the singles event of the 2012 Heineken Open men's tennis tournament, David Ferrer was the defending champion and confirmed his title beating unseeded player Olivier Rochus in the final, 6–3, 6–4, for his 3rd win in Auckland.

Seeds
• # 🇪🇸 David Ferrer (champion)

• # 🇪🇸 Nicolás Almagro (quarterfinals)

• # 🇪🇸 Fernando Verdasco (semifinals)

• # 🇦🇷 Juan Ignacio Chela (second round)

• # Kevin Anderson (first round)

• # 🇧🇷 Thomaz Bellucci (second round)

• # 🇺🇸 Donald Young (first round)

• # 🇩🇪 Philipp Kohlschreiber (semifinals)

Seeds
• # 🇨🇴 Alejandro Falla (moved to main draw)

• # 🇮🇹 Flavio Cipolla (qualifying competition)

• # 🇧🇷 Ricardo Mello (qualifying competition)

• # 🇫🇷 Adrian Mannarino (qualified)

• # 🇪🇸 Pere Riba (first round)

• # 🇫🇷 Benoît Paire (qualified)

• # 🇩🇪 Tobias Kamke (qualified)

• # Izak van der Merwe (first round)

Qualifiers
• # 🇫🇷 Benoît Paire

• # 🇩🇪 Tobias Kamke

• # Stéphane Bohli

• # 🇫🇷 Adrian Mannarino