1985 Benson and Hedges Open

The 1985 Benson and Hedges Open was a men's Grand Prix tennis tournament played on outdoor hard courts in Auckland, New Zealand. It was the 18th edition of the tournament and was held from 7 January to 14 January 1985. Seventh-seeded Chris Lewis won the singles title.

Singles
🇳🇿 Chris Lewis defeated 🇦🇺 Wally Masur 7–5, 6–0, 2–6, 6–4
 * It was Lewis's second title of the year and the 11th of his career.

Doubles
🇦🇺 John Fitzgerald / 🇳🇿 Chris Lewis defeated 🇦🇺 Broderick Dyke / 🇦🇺 Wally Masur 7–6, 6–2
 * It was Fitzgerald's first title of the year and the 13th of his career. It was Lewis's first title of the year and the 10th of his career.