Scott Davis was the defending champion, but lost in the third round to Jonathan Canter 6–7, 6–3, 2–6. Ramesh Krishnan won the title defeating Johan Carlsson in the final 6–3, 6–1.
Seeds
Draw
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
References
External links 1986 Japan Open men's singles draw