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