2005 Heineken Open

The 2005 Heineken Open was a men's ATP tennis tournament held at the ASB Tennis Centre in Auckland, New Zealand. It was the 38th edition of the tournament and was held from 10 January to 17 January 2005 and played on outdoor hard courts. Fifth-seeded Fernando González won the singles title.

Singles
Fernando González defeated 🇧🇪 Olivier Rochus 6–4, 6–2
 * It was González's 1st title of the year and the 6th of his career.

Doubles
Yves Allegro / 🇩🇪 Michael Kohlmann defeated 🇸🇪 Simon Aspelin / 🇦🇺 Todd Perry 6–4, 7–6(7–4)
 * It was Allegro's 1st title of the year and the 2nd of his career. It was Kohlmann's only title of the year and the 3rd of his career.