The 1989 Benson and Hedges Open was a men's Grand Prix tennis tournament held in Auckland, New Zealand. It was the 22nd of the tournament and was held from 9 January to 16 January 1989. Second-seeded Ramesh Krishnan won the singles title.
Finals
Singles
Ramesh Krishnan defeated Amos Mansdorf 6–4, 6–0
It was Krishnan's only title of the year and the 8th of his career.
Doubles
Steve Guy / Shuzo Matsuoka defeated John Letts / Bruce Man-Son-Hing 7–6, 7–6
It was Guy's only title of the year and the 1st of his career. It was Matsuoka's only title of the year and the 1st of his career.