See main article: 1985 Geneva Open.
Michael Mortensen and Mats Wilander were the defending champions, but Mortensen did not participate this year. Wilander partnered Joakim Nyström, withdrawing prior to their quarterfinal match.
Sergio Casal and Emilio Sánchez won the title, defeating Carlos Kirmayr and Cássio Motta 6–4, 4–6, 7–5 in the final.