John McEnroe was the defending champion, but did not participate this year.
Anders Järryd won the title, defeating
Mats Wilander 6–4, 3–6, 7–5 in the final.
Seeds
Draw
Finals
Top half
Bottom half
External links
ATP main draw
{{DEFAULTSORT:1985 Donnay Indoor Championships - Singles
1985 Grand Prix (tennis)
Donnay Indoor Championships